feat(server): add 'has_rating' filter to artist and mediafile repositories

Signed-off-by: Deluan <deluan@navidrome.org>

persistence/artist_repository.go

@@ -134,6 +134,7 @@ func NewArtistRepository(ctx context.Context, db dbx.Builder) model.ArtistReposi
 		"id":         idFilter(r.tableName),
 		"name":       fullTextFilter(r.tableName, "mbz_artist_id"),
 		"starred":    annotationBoolFilter("starred"),
+		"has_rating": annotationBoolFilter("rating"),
 		"role":       roleFilter,
 		"missing":    booleanFilter,
 		"library_id": artistLibraryIdFilter,

persistence/mediafile_repository.go

@@ -98,6 +98,7 @@ var mediaFileFilter = sync.OnceValue(func() map[string]filterFunc {
 		"id":         idFilter("media_file"),
 		"title":      fullTextFilter("media_file", "mbz_recording_id", "mbz_release_track_id"),
 		"starred":    annotationBoolFilter("starred"),
+		"has_rating": annotationBoolFilter("rating"),
 		"genre_id":   tagIDFilter,
 		"missing":    booleanFilter,
 		"artists_id": artistFilter,