[Scenario Editor] Graphics of the hero's secondary skills should be displayed in the hero's screen

[LeHerosInconnu]

Preliminary checks

• I've checked that there aren't other open issues on the same topic.
• I've checked that this issue is reproducible on the latest snapshot build.

Platform

Windows

Describe the bug

In fheroes2, graphics of the hero's secondary skills should be displayed in the hero's screen.
In the example, Basic Leadership and Basic Ballistics for the knight hero.

In fheroes2:

Save file

Not needed.

Additional info

No response