Fix enter binding in git panel's commit editor on Linux (#26427)

Closes #26110 

Release Notes:

- Git Beta: fixed being unable to enter newline in the git panel's
commit editor on Linux
9bd3e156f5Cole Miller committed on 3/11/2025, 4:26:13 AM· committed by GitHubparent42c6557
1 file changedLine totals unavailable