Edit: Shrink Selection
edit.shrinkSelection Shrink the selection back to the previous expand range.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for Edit: Shrink Selection, then press Enter. It also has a default keybinding:
| CUA | M-S-left |
| Sublime Text | M-S-left |
| VS Code | M-S-left |
| IntelliJ IDEA | C-S-w |