Just a question as I've never used Webex over Citrix but I am familiar with Citrix.   Can you not just use the standard hotkey mapping?  For instance if webex is the session you have open and want it to the front you click Shift + F2.   If you want t...

There is no way to remove this to my knowledge. 

wait until the webex recording stops talking then hit "1" 

to my knowledge when you configure the settings for breakout rooms, it configures for all breakout rooms.  At this time, I don't see a setting for individual rooms.