feature #26330 [FORM] Fix HTML errors. (Nyholm)

This PR was merged into the 4.1-dev branch.

Discussion
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[FORM] Fix HTML errors.

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

As mentioned in #26328.
Range and color do not support "required" attribute

Commits
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f75d8c1985 Fix HTML errors.

src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig

@@ -10,6 +10,10 @@
 
 {%- block form_widget_simple -%}
     {%- set type = type|default('text') -%}
+    {%- if type == 'range' or type == 'color' -%}
+        {# Attribute "required" is not supported #}
+        {%- set required = false -%}
+    {%- endif -%}
     <input type="{{ type }}" {{ block('widget_attributes') }} {% if value is not empty %}value="{{ value }}" {% endif %}/>
 {%- endblock form_widget_simple -%}