* Initial work on new search backend
* Clean up search backends
* Return only the most relevant result per object
* Clear any pre-existing cached entries on cache()
* #6003: Implement global search functionality for custom field values
* Tweak field weights & document guidance
* Extend search() to accept a lookup type
* Move get_registry() out of SearchBackend
* Enforce object permissions when returning search results
* Add indexers for remaining models
* Avoid calling remove() on non-cacheable objects
* Use new search backend by default
* Extend search backend to filter by object type
* Clean up search view form
* Enable specifying lookup logic
* Add indexes for value field
* Remove object type selector from search bar
* Introduce SearchTable and enable HTMX for results
* Enable pagination
* Remove legacy search backend
* Cleanup
* Use a UUID for CachedValue primary key
* Refactoring search methods
* Define max search results limit
* Extend reindex command to support specifying particular models
* Add clear() and size to SearchBackend
* Optimize bulk caching performance
* Highlight matched portion of field value
* Performance improvements for reindexing
* Started on search tests
* Cleanup & docs
* Documentation updates
* Clean up SearchIndex
* Flatten search registry to register by app_label.model_name
* Clean up search backend classes
* Clean up RestrictedGenericForeignKey and RestrictedPrefetch
* Resolve migrations conflict
