disable Finder F11 F12 touchbar keys in Finder

I should add, I see the GoldenChaos strip (only) if I hold the function key down. The default MacOS control strip returns as soon as I let go. When GC-BTT strip is active (because I have fn key depressed), it works as expected.
I imagine the GC-BTT strip could be there all the time — what do I need to do to enable that?
Thanks for any help and patience with what is probably a dumb question.