Auto-resize popped-out Combat Tracker

[arcanistzed]

Problem

From Krigsmaskine#8165:

Popping out the combat tracker drove me nuts with resizing and reshaping the window at each round end.

https://discord.com/channels/170995199584108546/513918036919713802/953737435571949578

Solution

Automatically resize the Combat Tracker if popped out after each resize