Turns out something that does this already exists! The creator of https://github.com/insin/tweak-new-twitter https://github.com/insin/tweak-new-twitter dropped

Turns out something that does this already exists! The creator of https://github.com/insin/tweak-new-twitter https://github.com/insin/tweak-new-twitter dropped by and brought this tool to my attention. It's everything I wanted, works perfectly, plugins for Chrome and Firefox. Check it out! Might be exactly what you need.