Fix Event & EventType resource issues and apply formatting

- Fix EventType deletion error handling (constraint violations)
- Fix Event update error (package_id column missing)
- Fix Event Type dropdown options (JSON display issue)
- Fix EventPackagesRelationManager query error
- Add missing translations for deletion errors
- Apply Pint formatting

resources/lang/de/profile.php

@@ -14,4 +14,4 @@ return [
     'save' => 'Speichern',
     'delete_account' => 'Account löschen',
     'delete' => 'Löschen',
-];
+];