style(desktop): satisfy curly + padding-line lint for guarded switch

- braces for single-statement if(confirmNotificationId) guards
- blank line before return in staleness branch (padding-line-between-statements)

apps/desktop/src/app/session/hooks/use-model-controls.ts

@@ -298,11 +298,16 @@ export function useModelControls({ queryClient, requestGateway }: ModelControlsO
             $sessionStates.get()[liveSessionId]?.provider !== prevProvider
 
         if (isStale) {
-          if (confirmNotificationId) dismissNotification(confirmNotificationId)
+          if (confirmNotificationId) {
+            dismissNotification(confirmNotificationId)
+          }
+
           return
         }
 
-        if (confirmNotificationId) dismissNotification(confirmNotificationId)
+        if (confirmNotificationId) {
+          dismissNotification(confirmNotificationId)
+        }
 
         paintSelection()
         cacheSelection(selection.provider, selection.model)

contributors/emails/etzelvon@users.noreply.github.com

@@ -0,0 +1 @@
+etzelvon