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/system/nomarchy-sudo-keepalive

@@ -2,7 +2,7 @@
 
 # Prompt for sudo once and keep the credential alive in the background.
 # Source this script so the trap applies to the calling shell:
-#   source nnomarchy-sudo-keepalive
+#   source nomarchy-sudo-keepalive
 
 sudo -v
 while true; do sudo -n true; sleep 60; done 2>/dev/null &