Automatically return to main mode

[Biktop]

Hello,

I moved almost all shortcuts to dedicated mode (to freely assign one key shortcuts).
And I want to leave this mode to main after pressing any shortcut in the current mode (some kind of one tap binding).

Is there easier way to do it without include 'mode main' for all binding?
And is it possible to hide letter of the mode in the menu bar (like main)?

Thanks!