[Unknown Mod][Adventure Map] Add a "Hero" button and a "Marketplace" button in these windows for Tree of Knowledge

[LeHerosInconnu]

Add a "Hero" button and a "Marketplace" button (only if not enough gold and ressources) in the Tree of Knowledge windows.

Here, I wanted to consult the hero's screen before making a decision.

In fheroes2:

This is not an option.
This can be implemented directly in fheroes2.