Stage/Unstage All, Revert enabled for stash

[Uncommon]

• Click on a stash in the sidebar
• The stage/unstage all buttons are enabled (may have to click on a file first)
• Click on a workspace file
• Revert is enabled

Those buttons should probably just be hidden for stashes.

[Uncommon]

Fixed in 8adad0b1d789d8aca8748f9571989a29b1fe9024