refactor: we don't need to use getUserEntity()

Author: kenjis

src/Controllers/RegisterController.php

@@ -103,8 +103,7 @@ public function registerAction(): RedirectResponse
 
         // Save the user
         $allowedPostFields = array_keys($rules);
-        $user              = $this->getUserEntity();
-        $user->fill($this->request->getPost($allowedPostFields));
+        $user              = $users->createNewUser($this->request->getPost($allowedPostFields));
 
         // Workaround for email only registration/login
         if ($user->username === null) {
@@ -160,6 +159,8 @@ protected function getUserProvider(): UserModel
 
     /**
      * Returns the Entity class that should be used
+     *
+     * @deprecated 1.2.0 No longer used.
      */
     protected function getUserEntity(): User
     {