fix(system): enable uwsm and fix session detection to allow VM login

- Enable programs.uwsm for session management.
- Improve SDDM theme session detection logic to be case-insensitive and more robust.
- Perform a global cleanup of 'Nnomarchy' and 'org.nnomarchy' typos across all scripts and configurations.

bin/apps/nomarchy-restart-opencode

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Reload opencode configuration (used by the Nnomarchy theme switching).
+# Reload opencode configuration (used by the Nomarchy theme switching).
 
 if pgrep -x opencode >/dev/null; then
   killall -SIGUSR2 opencode