Those patches are normally crafted for ultrawide experience, where they force render sections outside of the camera's FOV onto the screen, so I doubt there's any that's intentionally for 4:3, which could cut off parts of the UI.

However, if you start the game and go to PPSSPP menu, and choose "Display layout & effects", you can adjust the aspect ratio, stretching, or resize the screen, maybe that could help you running the game on 4:3 displays?

There's a github issue thread about it, some people have custom shader for it, but I'm not sure if it's gonna end up cutting off some parts of the UI.