Various bug fixes (#2945)

* Only update fingerprints if changed
* Fix panic when loading primary file fails
* Fix gallery/scene association
* Fix display of scene gallery in card
* Use natural_cs collation with paths for title sorting

internal/api/routes_image.go

@@ -127,7 +127,11 @@ func (rs imageRoutes) ImageCtx(next http.Handler) http.Handler {
 			}
 
 			if image != nil {
-				_ = image.LoadPrimaryFile(ctx, rs.fileFinder)
+				if err := image.LoadPrimaryFile(ctx, rs.fileFinder); err != nil {
+					logger.Errorf("error loading primary file for image %d: %v", imageID, err)
+					// set image to nil so that it doesn't try to use the primary file
+					image = nil
+				}
 			}
 
 			return nil