Annoying UI when changing units in diary.
When entering food to the Diary, if you enter a value and then change the unit it sets the value to a default.
For example, if you add juice it will default to a bottle with value 1.
If you want to change it to 50g, you can't change the value first because selecting g overwrites the value to 100.
which is small but annoying as most users will fill forms in left to right.