Revert "fix(symfony): retain existing associations of formats to MIME types when adding new MIME types (#6833)"

This reverts commit 7c9cca6.

Author: soyuka

src/State/Provider/ContentNegotiationProvider.php

@@ -67,9 +67,7 @@ public function provide(Operation $operation, array $uriVariables = [], array $c
     private function addRequestFormats(Request $request, array $formats): void
     {
         foreach ($formats as $format => $mimeTypes) {
-            $existingMimeTypes = $request->getMimeTypes($format);
-            $newMimeTypes = array_unique(array_merge((array) $mimeTypes, $existingMimeTypes));
-            $request->setFormat($format, $newMimeTypes);
+            $request->setFormat($format, (array) $mimeTypes);
         }
     }
 

tests/State/Provider/ContentNegotiationProviderTest.php

@@ -27,23 +27,6 @@ class ContentNegotiationProviderTest extends TestCase
 {
     use ProphecyTrait;
 
-    public function testAddRequestFormatsAddsMimeTypesToFormat(): void
-    {
-        $provider = new ContentNegotiationProvider();
-        $request = new Request();
-        $formats = ['json' => ['application/problem+json']];
-
-        $operation = new Post(outputFormats: $formats);
-        $context = ['request' => $request];
-
-        $provider->provide($operation, [], $context);
-
-        $mimeTypes = $request->getMimeTypes('json');
-
-        $this->assertContains('application/problem+json', $mimeTypes);
-        $this->assertContains('application/json', $mimeTypes);
-    }
-
     public function testRequestWithEmptyContentType(): void
     {
         $expectedResult = new \stdClass();