minor #14546 Fix user entity import (obsirdian)

This PR was squashed before being merged into the 4.4 branch.

Discussion
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Fix user entity import

The user entity import was incorrectly set to import from the Security namespace instead of Entity.
https://symfony.com/doc/4.4/security/user_checkers.html

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Commits
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bea2e77 Fix user entity import

Author: javiereguiluz

security/user_checkers.rst

@@ -21,8 +21,8 @@ or :class:`Symfony\\Component\\Security\\Core\\Exception\\AuthenticationExceptio
 
     namespace App\Security;
 
+    use App\Entity\User as AppUser;
     use App\Exception\AccountDeletedException;
-    use App\Security\User as AppUser;
     use Symfony\Component\Security\Core\Exception\AccountExpiredException;
     use Symfony\Component\Security\Core\User\UserCheckerInterface;
     use Symfony\Component\Security\Core\User\UserInterface;