ui: Display `option` in lowercase in Vim mode keybindings (#38969)
Bartosz Kaszubowski
created
# Why
Spotted that some tooltips include `alt` keystroke combination on macOS.
# How
Add missing `vim_mode` version definition of `Option` key to the
`keystroke_text` helper.
Release Notes:
- Fixed keystroke to text helper output for macOS `Option` key in Vim
mode
# Preview
### Before
<img width="712" height="264" alt="Screenshot 2025-09-26 at 16 57 08"
src="https://github.com/user-attachments/assets/d5daa37f-0da7-4430-91ea-4a750c025472"
/>
### After
<img width="712" height="264" alt="Screenshot 2025-09-26 at 16 56 21"
src="https://github.com/user-attachments/assets/5804ed39-9b1b-4028-a9c9-32c066042f4a"
/>