Please help.
Linux Mint cinnamon
I just want a good functional file picker to show up whenever I upload something to the browser (firefox) or save something from the browser. Like Windows.

AI gives made-up bullshit answers that don't work and doesn't understand the problem
Everything I find on Google is linuxtards being like "yeah you can't do that, you have to compile GTK from source" or "yeah i just drag and drop into the browser" (i'm NOT doing that)

Is this really an unsolvable problem?