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

app/Support/LocaleConfig.php

@@ -9,6 +9,7 @@ class LocaleConfig
 {
     /**
      * Return configured locales from env/config as provided (may include region codes).
+     *
      * @return array<int, string>
      */
     public static function configured(): array
@@ -34,6 +35,7 @@ class LocaleConfig
 
     /**
      * Return normalized short codes (language only, lowercase).
+     *
      * @return array<int, string>
      */
     public static function normalized(): array