BUGFIX: Case insensitive user search on Postgres

PostgreSQL is by default case sensitive and its hard to
find users depending on their name in the users
module.

Neos.Neos/Classes/Domain/Repository/UserRepository.php

@@ -53,8 +53,8 @@ public function findBySearchTerm(string $searchTerm, string $sortBy, string $sor
             $query = $this->createQuery();
             $query->matching(
                 $query->logicalOr(
-                    $query->like('accounts.accountIdentifier', '%' . $searchTerm . '%'),
-                    $query->like('name.fullName', '%' . $searchTerm . '%')
+                    $query->like('accounts.accountIdentifier', '%' . $searchTerm . '%', false),
+                    $query->like('name.fullName', '%' . $searchTerm . '%', false)
                 )
             );
             return $query->setOrderings([$sortBy => $sortDirection])->execute();