Add DMS plugins for rbw lock and wvkbd toggle

- Introduced new DMS plugins: `rbw-lock-toggle` for managing Bitwarden vault state and `wvkbd-toggle` for showing/hiding the on-screen keyboard.
- Updated `flake.lock` and `flake.nix` to include the new plugins and their configurations.
- Removed legacy options and files related to the rbw lock toggle, streamlining the DMS configuration.
- Enhanced the home-manager module to support the new plugins and their integration into the DMS environment.

modules/desktop/shells/dms/home-manager/scripts/dms-restart-once.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+rt="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
+exec 9>"$rt/dms-plugin-restart.lock"
+@FLOCK@ -n 9 || exit 0
+cache="${XDG_CACHE_HOME:-$HOME/.cache}/quickshell/qmlcache"
+rm -rf "$cache"
+@SYSTEMCTL@ --user try-restart dms.service 2>/dev/null || true