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/Mail/AbandonedCheckout.php

@@ -26,7 +26,7 @@ class AbandonedCheckout extends Mailable
     public function envelope(): Envelope
     {
         return new Envelope(
-            subject: __('emails.abandoned_checkout.subject_' . $this->timing, [
+            subject: __('emails.abandoned_checkout.subject_'.$this->timing, [
                 'package' => $this->localizedPackageName(),
             ]),
         );