Fix ObjectStorage and QueryResultItnerface template in stub

We have to use `TEntity of object` instead of
`TEntity`.

Author: sascha-egerer

phpstan-baseline.neon

@@ -0,0 +1,2 @@
+parameters:
+	ignoreErrors: []

stubs/ObjectStorage.stub

@@ -2,7 +2,7 @@
 namespace TYPO3\CMS\Extbase\Persistence;
 
 /**
- * @template TEntity
+ * @template TEntity of object
  * @implements \ArrayAccess<string, TEntity>
  * @implements \Iterator<string, TEntity>
  * @phpstan-type ObjectStorageInternal array{obj: TEntity, inf: mixed}
@@ -33,6 +33,8 @@ class ObjectStorage implements \Iterator, \ArrayAccess
 
     /**
      * @param TEntity|int|string $value
+     * Attention: Return type is not compatible with ArrayAccess interface! This
+     * is a bug in TYPO3.
      * @return ($value is int ? TEntity|null : mixed)
      */
     public function offsetGet($value);

stubs/QueryResultInterface.stub

@@ -2,7 +2,7 @@
 namespace TYPO3\CMS\Extbase\Persistence;
 
 /**
- * @template TKey
+ * @template TKey of int
  * @template TValue of object
  * @extends \Iterator<TKey, TValue>
  * @extends \ArrayAccess<TKey, TValue>

tests/Unit/Type/QueryResultToArrayDynamicReturnTypeExtension/data/query-result-to-array.php

@@ -135,6 +135,12 @@ public function showAction(): void
 			'list<SaschaEgerer\PhpstanTypo3\Tests\Unit\Type\QueryResultToArrayDynamicReturnTypeExtension\FrontendUserGroup>',
 			$myObjects
 		);
+
+		$key = $queryResult->key();
+		assertType(
+			'int',
+			$key
+		);
 	}
 
 }

tests/Unit/Type/data/object-storage-stub-files.php

@@ -29,6 +29,7 @@ public function foo(): void
 		}
 
 		assertType(self::class . '|null', $objectStorage->offsetGet(0));
+		assertType(self::class . '|null', $objectStorage->current());
 
 		// We ignore errors in the next line as this will produce an
 		// "Offset 0 does not exist on TYPO3\CMS\Extbase\Persistence\ObjectStorage<ObjectStorage\My\Test\Extension\Domain\Model\MyModel>