Gallery URLs (#4114)

* Initial backend changes
* Fix unit tests
* UI changes
* Fix missing URL filters

pkg/models/gallery.go

@@ -59,7 +59,7 @@ type GalleryUpdateInput struct {
 	ClientMutationID *string  `json:"clientMutationId"`
 	ID               string   `json:"id"`
 	Title            *string  `json:"title"`
-	URL              *string  `json:"url"`
+	Urls             []string `json:"urls"`
 	Date             *string  `json:"date"`
 	Details          *string  `json:"details"`
 	Rating           *int     `json:"rating"`
@@ -70,6 +70,9 @@ type GalleryUpdateInput struct {
 	TagIds           []string `json:"tag_ids"`
 	PerformerIds     []string `json:"performer_ids"`
 	PrimaryFileID    *string  `json:"primary_file_id"`
+
+	// deprecated
+	URL *string `json:"url"`
 }
 
 type GalleryDestroyInput struct {