Docs App: set the default to theme light inside the MainContainer #5455

Author: tobiu

docs/app/view/MainContainer.mjs

@@ -42,6 +42,11 @@ class MainContainer extends Viewport {
          * @member {Neo.collection.Base|null} store_=null
          */
         store_: null,
+        /**
+         * Important for the Portal App, until the new theme fully supports it
+         * @member {String} theme='neo-theme-light'
+         */
+        theme: 'neo-theme-light',
         /**
          * @member {Array} items=[//...]
          */