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.

assets/sddm/nomarchy/Main.qml

@@ -11,10 +11,10 @@ Rectangle {
     property int sessionIndex: {
         for (var i = 0; i < sessionModel.rowCount(); i++) {
             var name = (sessionModel.data(sessionModel.index(i, 0), Qt.DisplayRole) || "").toString()
-            if (name.indexOf("uwsm") !== -1)
+            if (name.toLowerCase().indexOf("uwsm") !== -1)
                 return i
         }
-        return sessionModel.lastIndex
+        return Math.max(0, sessionModel.lastIndex)
     }
 
     Connections {