After 'Auto et' is started, it cannot be stopped

[Krzysztof Morcinek]

Steps:

• run any game for AI
• check "Auto et"
• after a new turn, the checkbox "Auto et" changed to unchecked, so it cannot be checked out.

Desired:

• after a new turn, the checkbox "Auto et" should be checked

[Krzysztof Morcinek]

Root cause is #60. HudWrapper is updated too often.