few fix

Author: jlopes90

src/Models/UserModel.php

@@ -118,7 +118,7 @@ public function addToDefaultGroup(User $user): void
     public function fake(Generator &$faker): User
     {
         return new User([
-            'username' => $faker->userName,
+            'username' => str_replace('.', ' ', $faker->userName),
             'active'   => true,
         ]);
     }