Update AdminCuratedRegisterController, fix existing account approval

Author: dansup

app/Http/Controllers/AdminCuratedRegisterController.php

@@ -240,6 +240,11 @@ public function apiHandleApprove(Request $request, $id)
         $record->is_closed = true;
         $record->action_taken_at = now();
         $record->save();
+
+        if (User::withTrashed()->whereEmail($record->email)->exists()) {
+            return [200];
+        }
+
         $user = User::create([
             'name' => $record->username,
             'username' => $record->username,