SQLite model refactoring (#3791)

* Remove ID from PerformerPartial
* Separate studio model from sqlite model
* Separate movie model from sqlite model
* Separate tag model from sqlite model
* Separate saved filter model from sqlite model
* Separate scene marker model from sqlite model
* Separate gallery chapter model from sqlite model
* Move ErrNoRows checks into sqlite, improve empty result error messages
* Move SQLiteDate and SQLiteTimestamp to sqlite
* Use changesetTranslator everywhere, refactor for consistency
* Make PerformerStore.DestroyImage private
* Fix rating on movie create

pkg/models/model_performer.go

@@ -78,7 +78,6 @@ func (s *Performer) LoadRelationships(ctx context.Context, l PerformerReader) er
 // PerformerPartial represents part of a Performer object. It is used to update
 // the database entry.
 type PerformerPartial struct {
-	ID             int
 	Name           OptionalString
 	Disambiguation OptionalString
 	Gender         OptionalString