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/appearance/nomarchy-theme-current

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-THEME_NAME_PATH="$HOME/.config/nnomarchy/current/theme.name"
+THEME_NAME_PATH="$HOME/.config/nomarchy/current/theme.name"
 
 if [[ -f $THEME_NAME_PATH ]]; then
   cat $THEME_NAME_PATH | sed -E 's/(^|-)([a-z])/\1\u\2/g; s/-/ /g'