Here’s the second space battle sequence with the extra crew as a proof of concept:
https://drive.google.com/file/d/1EE0ZhDQzzpMYBMe17Xarx4IOQBFsUZzt/view
At last the guy in the Falcon’s turret would be able to show his friends he wasn’t lying about (almost) being in the movie! He must have been one disappointed dude… That seemed pretty seamless, but I can see why they cut it.