Finish keyboard navigation for GridViews and MenuItems

app/gui/main.qml

@@ -26,7 +26,7 @@ ApplicationWindow {
         focus: true
 
         onCurrentItemChanged: {
-            // Ensure focus travels to the next view
+            // Ensure focus travels to the next view when going back
             if (currentItem) {
                 currentItem.forceActiveFocus()
             }
@@ -37,6 +37,12 @@ ApplicationWindow {
                 stackView.pop()
             }
         }
+
+        Keys.onBackPressed: {
+            if (depth > 1) {
+                stackView.pop()
+            }
+        }
     }
 
     onVisibilityChanged: {