[CORE][DB] Make DB::dql return an object rather than an array if limit 1 is specified

src/Core/DB.php

@@ -162,6 +162,8 @@ class DB
                         fn ($p) => (fn ($o) => $o instanceof $aliases[$p]),
                     ),
                 );
+            } else if (($options['limit'] ?? null) === 1) {
+                return $results[0] ?? null;
             } else {
                 return $results;
             }