JetBrains IDE's use `ctrl-w` and `ctrl-shift-w` on Win/Linux and
`cmd-up` and `cmd-down` on mac to extend/shrink selections.
https://www.jetbrains.com/guide/java/tips/extend-selection/
Release Notes:
- Fixed extend/shrink selection on JetBrains keymap
- MacOS: Center the cursor in the visible area. `ctrl-l` (matches MacOS)
- Linux JetBrains: Scroll so cursor is at the Middle `ctrl-m`
- `editor::NextScreen` is not longer bound in any keymap by default (was
`ctrl-l` on MacOS)
Fixes#5247
Release Notes:
- Added Linux-Specific keymaps for JetBrains, Atom and Sublime Text
- Improved MacOS-specific keymaps for JetBrains and Atom
- Improved Linux default keymap (VSCode compatibility)
- Windows now uses same keymap as Linux
---------
Co-authored-by: Peter Tripp <peter@zed.dev>
