Fix extend selection shortcuts in JetBrains keymap on macOS (#22814)
Vladimir Varankin
created
Fixups https://github.com/zed-industries/zed/pull/20199
As mentioned in [the post-merge comment][1], the original change was
wrong. The JetBrains IDEs use <kbd>⌥</kbd> (option) key on macOS for the
shortcuts, which corresponds to the <kbd>alt</kbd> key in the keymap
config.
Release Notes:
- Fixed extend/shrink selection in JetBrains keymap on macOS
[1]:
https://github.com/zed-industries/zed/pull/20199#issuecomment-2468136572