[CI] Removed fixed issues from baseline (#527)

Author: ViniTou

phpstan-baseline.neon

@@ -3462,12 +3462,6 @@ parameters:
 			count: 1
 			path: src/bundle/Core/Fragment/SiteAccessSerializationTrait.php
 
-		-
-			message: '#^Method Ibexa\\Bundle\\Core\\IbexaCoreBundle\:\:getContainerExtension\(\) never returns null so it can be removed from the return type\.$#'
-			identifier: return.unusedType
-			count: 1
-			path: src/bundle/Core/IbexaCoreBundle.php
-
 		-
 			message: '#^Method Ibexa\\Bundle\\Core\\Imagine\\AliasCleaner\:\:removeAliases\(\) has no return type specified\.$#'
 			identifier: missingType.return
@@ -12762,12 +12756,6 @@ parameters:
 			count: 1
 			path: src/lib/MVC/Symfony/Security/UserInterface.php
 
-		-
-			message: '#^Property Ibexa\\Core\\MVC\\Symfony\\Security\\UserWrapped\:\:\$apiUser in isset\(\) is not nullable nor uninitialized\.$#'
-			identifier: isset.initializedProperty
-			count: 1
-			path: src/lib/MVC/Symfony/Security/UserWrapped.php
-
 		-
 			message: '#^Method Ibexa\\Core\\MVC\\Symfony\\SiteAccess\:\:__construct\(\) has parameter \$groups with no value type specified in iterable type array\.$#'
 			identifier: missingType.iterableValue