feat: add support for multiple event dates in variants

- Updated the FeaturedGroupService to include 'variants.eventDates' in the items query.
- Introduced a BelongsToMany relationship in EventDate for selected variants.
- Modified PurchaseItemResource and PurchaseItemSnapshotFactory to handle multiple event dates for variants.
- Enhanced StartCheckoutService to load event dates for variants.
- Updated TicketGeneratorService to accommodate event dates in ticket generation.
- Created migrations to support multi-value event dates and allow multiple variant values per attribute.
- Adjusted seeders to reflect new event date handling and added new attributes.
- Added tests to ensure correct functionality for multi-date variants and their integration with ticket generation.

app/Domains/Catalog/Resources/CatalogItemResource.php

@@ -40,12 +40,10 @@ class CatalogItemResource extends JsonResource
                     'id' => $variant->id,
                     'event_date_id' => $variant->event_date_id,
                     'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
+                    'event_date_ids' => $variant->selectedEventDates()->pluck('id')->values(),
+                    'event_dates' => $variant->selectedEventDates()->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
                     'real_stock' => $variant->inventory?->real_stock,
-                    'values' => $variant->definitions
-                        ->mapWithKeys(fn ($definition) => [
-                            $definition->itemAttribute?->attribute?->codigo => $definition->value,
-                        ])
-                        ->filter(fn ($value, $key) => $key !== null),
+                    'values' => $variant->selectionValues(),
                     'images' => $variant->attachments
                         ->map(fn ($attachment) => $attachment->getTemporaryUrl(1440))
                         ->values(),