Toggle Zoom/FoV

 From:  Moi3dFan
11306.3 In reply to 11306.2 
The active window solution doesn't work for me. You need an interactive solution to do it quickly.
I have attached a GD video where I clearly show how I want the script to do it. That is, without any windows you can quickly reduce the FOV and then quickly return it back.

https://drive.google.com/file/d/1r1UDO2dwU1083vV03Z1zPNPq9_MoEQWE/view?usp=sharing