Correct typos in GPUI key_dispatch.rs comments (#28926)

just noticed an extra semicolon and a reference to the nonexistant
`keymap_context` function!

Release Notes:

- N/A
c21bca07e2Noah Lemen committed on 4/17/2025, 5:33:01 PM· committed by GitHubparentacc4a5c
1 file changedLine totals unavailable