fix: 🐛 Fix missing translation (#1662)

Fix missing translation on the toggle color theme selector

ui/desktop/app/templates/application.hbs

@@ -56,7 +56,7 @@
 
             <dropdown.separator />
 
-            <dropdown.section @title={{t 'titles.toggle-color-theme'}}>
+            <dropdown.section @title={{t 'actions.toggle-color-theme'}}>
               <Rose::Form as |form|>
                 <form.radioGroup
                   @name='theme'