Improve AI to use or not spell "antimagic"

[fheroes2bugs]

Preliminary checks

• I've checked that there aren't other open issues on the same topic.

Describe the problem requiring a solution

AI is using spell "antimagic" for his creature but can't calculate that right after he uses is, his next aim is to attack my super stong creature which kills computer with no problem, so the "antimagic" spell was totally wothless.
Here is the video:

antimagic.mp4

Describe the possible solution

Use some other spell (if there is chance that spell could help), or not use spells at all to save mana.

Additional info

version 1.1.10
save:

antimagic.zip