Cleanup JvmFields in GalleryInfo

app/src/main/java/com/hippo/ehviewer/FavouriteStatusRouter.java

@@ -51,7 +51,7 @@ public class FavouriteStatusRouter {
         for (Map<Long, GalleryInfo> map : maps.values()) {
             GalleryInfo info = map.get(gid);
             if (info != null) {
-                info.favoriteSlot = slot;
+                info.setFavoriteSlot(slot);
             }
         }