Check mark 'Automatically train all used (in attacks) and donated troops'

English is not my native speech, but I hope You understand what I suggest.

The new troop training system is very good and helps a lot spending troops.
I do not use all my troops in every attack, so I am not able to use 'Quick Train' very often. Perfectly work for me would something like a check mark 'Automatically train all used (in attacks) and donated troops'. The picture below should show how I imagine the implementation.

Attachment 191381

Yes they do need to revamp the train all feature. They need to auto fill the troops needed to complete whatever you're training (day you already had 29 archers, the train all feature would just add 29 fewer archers next click so troops stay the same). They also need a "remove all" button, so that people can switch between saved armies quickly. Your idea could work too, sorta like the auto fill. I agree something should be changed