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/Models/EventPurchase.php

@@ -11,7 +11,9 @@ class EventPurchase extends Model
     use HasFactory;
 
     protected $table = 'event_purchases';
+
     protected $guarded = [];
+
     protected $casts = [
         'purchased_at' => 'datetime',
         'amount' => 'decimal:2',
@@ -21,4 +23,4 @@ class EventPurchase extends Model
     {
         return $this->belongsTo(Tenant::class);
     }
-}
+}