Font picker stops working after a few cycles with arrow keys and won't let me do anything

I am trying to quickly cycle through some fonts on a project with the arrow keys and it will only let me change the font 3-5 times then stops working altogether. I can’t change the font or anything else after it stops unless I close everything and restart. I have tried it on my MacBook, PC, and 3 browsers.

This just started today. It was working fine yesterday.

Help me Obi Wan Kenobi!