Settings: added option to open settings in a separate (tiled) window + Fixed migrations/upgrades by parsing the rawJson

shell.qml

@@ -21,6 +21,7 @@ import qs.Modules.LockScreen
 import qs.Modules.MainScreen
 import qs.Modules.Notification
 import qs.Modules.OSD
+import qs.Modules.Panels.Settings
 import qs.Modules.Toast
 import qs.Services.Control
 import qs.Services.Hardware
@@ -117,6 +118,9 @@ ShellRoot {
 
       LockScreen {}
 
+      // Settings window mode (single window across all monitors)
+      SettingsPanelWindow {}
+
       // IPCService is treated as a service but it must be in graphics scene.
       IPCService {}