redraw menu instead of new menu

apps/themes/app.js

@@ -56,14 +56,14 @@
     Object.keys(THEMES).forEach(themeName => {
         menu[themeName] = () => {
             setTheme(themeName);
-            E.showMenu(menu);
+            menu_ui.draw();
         };
     });
     menu['Randomize'] = () => {
         setTheme(createRandomTheme());
-        E.showMenu(menu);
+        menu_ui.draw();
     };
 
     // Show the menu
-    E.showMenu(menu);
+    let menu_ui = E.showMenu(menu);
 }

apps/themes/metadata.json

@@ -2,7 +2,7 @@
     "id": "themes",
     "name": "Themes",
     "shortName": "Themes",
-    "version": "0.08",
+    "version": "0.09",
     "description": "Color palettes at your disposal",
     "type": "app",
     "tags": "tool",