Improve "cursorless settings" (#1965)

Note that this breaks if you're using cursorless-development extension,
because the extension id must be an exact match

## Checklist

- [-] I have added
[tests](https://www.cursorless.org/docs/contributing/test-case-recorder/)
- [-] I have updated the
[docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and
[cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet)
- [x] I have not broken the cheatsheet

Author: pokey

src/apps/cursorless_vscode.py

@@ -28,7 +28,7 @@ def private_cursorless_find(target: CursorlessTarget):
     def private_cursorless_show_settings_in_ide():
         """Show Cursorless-specific settings in ide"""
         actions.user.private_cursorless_run_rpc_command_no_wait(
-            "workbench.action.openGlobalSettings"
+            "workbench.action.openSettings", "@ext:pokey.cursorless "
         )
         actions.sleep("250ms")
-        actions.insert("cursorless")
+        actions.key("right")