fix(serializer): correct supported types for elasticsearch item normalizer decorator (#5769)

Author: jdohuutin

src/Elasticsearch/Serializer/ItemNormalizer.php

@@ -111,7 +111,7 @@ public function getSupportedTypes($format): array
             ];
         }
 
-        return DocumentNormalizer::FORMAT === $format ? $this->decorated->getSupportedTypes($format) : [];
+        return DocumentNormalizer::FORMAT !== $format ? $this->decorated->getSupportedTypes($format) : [];
     }
 
     /**

tests/Elasticsearch/Serializer/ItemNormalizerTest.php

@@ -166,7 +166,7 @@ public function getSupportedTypes(?string $format): array
             }
         });
 
-        $this->assertEmpty($this->itemNormalizer->getSupportedTypes('json'));
-        $this->assertSame(['*' => true], $this->itemNormalizer->getSupportedTypes($this->itemNormalizer::FORMAT));
+        $this->assertEmpty($this->itemNormalizer->getSupportedTypes($this->itemNormalizer::FORMAT));
+        $this->assertSame(['*' => true], $this->itemNormalizer->getSupportedTypes('json'));
     }
 }