ui-commit: use git raw note format
Currently a commit note is shown as:
Notes
Notes:
<note text>
Change to:
Notes
<note text>
Signed-off-by: Chris Mayo <aklhfex@gmail.com>
Reviewed-by: Alyssa Ross <hi@alyssa.is>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>