* Add UltraSlimCollectionSerializer and update CollectionViewSet for optimized listing
- Introduced UltraSlimCollectionSerializer for efficient data representation.
- Updated CollectionViewSet to use the new serializer for list actions.
- Enhanced queryset optimizations with prefetching for related images.
- Modified frontend components to support SlimCollection type for better performance.
* Optimize rendering of collection cards by adding a unique key to the each block
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