gpui: Sweep through cargo doc output and mark dubious items as non-public (#3932)

I essentially went through the publicly exported items and marked these
that are e.g. leaky reexports as pub(crate). I expect that'd be done on
Tuesday anyways.

Release Notes:
- N/A
dc7f9bbc54Piotr Osiewicz committed on 1/6/2024, 10:47:51 PM· committed by GitHubparentec03572
8 files changedLine totals unavailable