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-list

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 {
-  find ~/.config/nnomarchy/themes/ -mindepth 1 -maxdepth 1 \( -type d -o -type l \) -printf '%f\n'
+  find ~/.config/nomarchy/themes/ -mindepth 1 -maxdepth 1 \( -type d -o -type l \) -printf '%f\n'
   find "$NOMARCHY_PATH/assets/themes/" -mindepth 1 -maxdepth 1 -type d -printf '%f\n'
 } | sort -u | while read -r name; do
   echo "$name" | sed -E 's/(^|-)([a-z])/\1\u\2/g; s/-/ /g'