[OGUI-1563] Adds mock data for QCG FE tests to be used by the layout-list page (#2640)

* updates config file to look for mock data json
* adds FE tests for `layoutList` page
* updates viewPort of puppeteer
* removes deprecated QCModelDemo in favour of mocked data which extends our testing

Author: graduta

QualityControl/test/QCModelDemo.js

@@ -33,4 +33,5 @@ export const config = {
   qc: {
     enabled: false,
   },
+  dbFile: './test/setup/seeders/qcg-mock-data.json',
 };