[FrameworkBundle] Fixed issue when a parameter container a '%'

On my computer:
```
dump(get_cfg_var('xdebug.file_link_format'));
"subl://%f:%l"
```

When I ran `bin/console debug:config framework` I got this exception:

```

In ParameterBag.php line 100:

  [Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException]
  The parameter "templating.helper.code.file_link_format" has a
dependency on a non-existent parameter "f:".

Exception trace:
 () at
/home/gregoire/dev/github.com/lyrixx/symfony/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php:100
...
```

This issue was introduced
[here](https://github.com/symfony/symfony/pull/27684/files#diff-b3847149480405e1de881530b4c75ab5L212)

src/Symfony/Bundle/FrameworkBundle/Command/ContainerDebugCommand.php

@@ -224,15 +224,12 @@ EOF
         if (!$kernel->isDebug() || !(new ConfigCache($kernel->getContainer()->getParameter('debug.container.dump'), true))->isFresh()) {
             $buildContainer = \Closure::bind(function () { return $this->buildContainer(); }, $kernel, \get_class($kernel));
             $container = $buildContainer();
+            $container->getCompilerPassConfig()->setRemovingPasses([]);
+            $container->compile();
         } else {
             (new XmlFileLoader($container = new ContainerBuilder(), new FileLocator()))->load($kernel->getContainer()->getParameter('debug.container.dump'));
-            $container->setParameter('container.build_hash', $hash = ContainerBuilder::hash(__METHOD__));
-            $container->setParameter('container.build_id', hash('crc32', $hash.time()));
         }
 
-        $container->getCompilerPassConfig()->setRemovingPasses([]);
-        $container->compile();
-
         return $this->containerBuilder = $container;
     }
 

src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/Descriptor.php

@@ -322,21 +322,41 @@ abstract class Descriptor implements DescriptorInterface
 
     private function getContainerEnvVars(ContainerBuilder $container): array
     {
+        if (!$container->hasParameter('debug.container.dump')) {
+            return [];
+        }
+
+        if (!is_file($container->getParameter('debug.container.dump'))) {
+            return [];
+        }
+
+        $file = file_get_contents($container->getParameter('debug.container.dump'));
+        preg_match_all('{%env\(((?:\w++:)*+\w++)\)%}', $file, $envVars);
+        $envVars = array_unique($envVars[1]);
+
+        $bag = $container->getParameterBag();
+        $getDefaultParameter = function (string $name) {
+            return parent::get($name);
+        };
+        $getDefaultParameter = $getDefaultParameter->bindTo($bag, \get_class($bag));
+
         $getEnvReflection = new \ReflectionMethod($container, 'getEnv');
         $getEnvReflection->setAccessible(true);
+
         $envs = [];
-        foreach (array_keys($container->getEnvCounters()) as $env) {
+
+        foreach ($envVars as $env) {
             $processor = 'string';
             if (false !== $i = strrpos($name = $env, ':')) {
                 $name = substr($env, $i + 1);
                 $processor = substr($env, 0, $i);
             }
-            $defaultValue = ($hasDefault = $container->hasParameter("env($name)")) ? $container->getParameter("env($name)") : null;
+            $defaultValue = ($hasDefault = $container->hasParameter("env($name)")) ? $getDefaultParameter("env($name)") : null;
             if (false === ($runtimeValue = $_ENV[$name] ?? $_SERVER[$name] ?? getenv($name))) {
                 $runtimeValue = null;
             }
             $processedValue = ($hasRuntime = null !== $runtimeValue) || $hasDefault ? $getEnvReflection->invoke($container, $env) : null;
-            $envs[$name.$processor] = [
+            $envs["$name$processor"] = [
                 'name' => $name,
                 'processor' => $processor,
                 'default_available' => $hasDefault,

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/ContainerDebugCommandTest.php

@@ -83,11 +83,13 @@ class ContainerDebugCommandTest extends WebTestCase
     public function testDescribeEnvVars()
     {
         putenv('REAL=value');
-        static::bootKernel(['test_case' => 'ContainerDebug', 'root_config' => 'config.yml']);
+        static::bootKernel(['test_case' => 'ContainerDebug', 'root_config' => 'config.yml', 'debug' => true]);
 
         $application = new Application(static::$kernel);
         $application->setAutoExit(false);
 
+        @unlink(static::$container->getParameter('debug.container.dump'));
+
         $tester = new ApplicationTester($application);
         $tester->run(['command' => 'debug:container', '--env-vars' => true], ['decorated' => false]);
 
@@ -96,13 +98,13 @@ class ContainerDebugCommandTest extends WebTestCase
 Symfony Container Environment Variables
 =======================================
 
- --------- ----------------- ------------ 
-  Name      Default value     Real value  
- --------- ----------------- ------------ 
-  JSON      "[1, "2.5", 3]"   n/a         
-  REAL      n/a               "value"     
-  UNKNOWN   n/a               n/a         
- --------- ----------------- ------------ 
+ --------- ----------------- ------------%w
+  Name      Default value     Real value%w
+ --------- ----------------- ------------%w
+  JSON      "[1, "2.5", 3]"   n/a%w
+  REAL      n/a               "value"%w
+  UNKNOWN   n/a               n/a%w
+ --------- ----------------- ------------%w
 
  // Note real values might be different between web and CLI.%w
 
@@ -118,35 +120,17 @@ TXT
 
     public function testDescribeEnvVar()
     {
-        static::bootKernel(['test_case' => 'ContainerDebug', 'root_config' => 'config.yml']);
+        static::bootKernel(['test_case' => 'ContainerDebug', 'root_config' => 'config.yml', 'debug' => true]);
 
         $application = new Application(static::$kernel);
         $application->setAutoExit(false);
 
+        @unlink(static::$container->getParameter('debug.container.dump'));
+
         $tester = new ApplicationTester($application);
         $tester->run(['command' => 'debug:container', '--env-var' => 'js'], ['decorated' => false]);
 
-        $this->assertContains(<<<'TXT'
-%env(float:key:2:json:JSON)%
-----------------------------
-
- ----------------- ----------------- 
-  Default value     "[1, "2.5", 3]"  
-  Real value        n/a              
-  Processed value   3.0              
- ----------------- ----------------- 
-
-%env(int:key:2:json:JSON)%
---------------------------
-
- ----------------- ----------------- 
-  Default value     "[1, "2.5", 3]"  
-  Real value        n/a              
-  Processed value   3                
- ----------------- ----------------- 
-
-TXT
-        , $tester->getDisplay(true));
+        $this->assertContains(file_get_contents(__DIR__.'/Fixtures/describe_env_vars.txt'), $tester->getDisplay(true));
     }
 
     public function provideIgnoreBackslashWhenFindingService()

src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Fixtures/describe_env_vars.txt

@@ -0,0 +1,17 @@
+%env(float:key:2:json:JSON)%
+----------------------------
+
+ ----------------- ----------------- 
+  Default value     "[1, "2.5", 3]"  
+  Real value        n/a              
+  Processed value   3.0              
+ ----------------- ----------------- 
+
+%env(int:key:2:json:JSON)%
+--------------------------
+
+ ----------------- ----------------- 
+  Default value     "[1, "2.5", 3]"  
+  Real value        n/a              
+  Processed value   3                
+ ----------------- -----------------