Where does it happen?
Calibration Menu
What to expect?
When tagging an item as favourite, it should remove the trash flag.
What have happened?
When tagging an item as favourite, it added a favourite flag over the trash flag, giving the item both marked as favourite and trash.
Step to reproduce:
1) Flag an item "A" as trash in inventory menu
2) Open up item "A" in Calibration menu
3) Flag item "A" as favourite in Calibration menu
4) Done! You've now got a double flagged item.