Tilemap bug when flip sprites

Hello, I would like to report a bug when you paint the tiles with the tile palette in the scene and you flip it in the opposite direction with the shortcut.
If you use the "Focus On" dropdown on the bottom right of the scene to focus only the tiles of the tilemap selected, with the tiles not flipped works fine, but when you flip it one, it shows the same sprite like it's not owned of the tilemap (grey).
Here some screenshots:
- Not flipped

-Flipped