Frontend: Foundations for multi tenant frontend (#78815)

* Frontend: Foundations for multi tenant frontend

* improve manifest parsing for multi-tenant frontend (#78876)

* add test

* add test

* ??

* Updates

* Added cache

* test cleanup

* lint

* fix test

* fix error templates

* cleanup

* remove copy

* revert changes to list testdata

* comment cleanup

* prepare integration tests

* Remove integrety

---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

package.json

@@ -151,6 +151,7 @@
     "@types/testing-library__jest-dom": "5.14.8",
     "@types/tinycolor2": "1.4.3",
     "@types/uuid": "9.0.2",
+    "@types/webpack-assets-manifest": "^5",
     "@types/yargs": "17.0.24",
     "@typescript-eslint/eslint-plugin": "5.42.0",
     "@typescript-eslint/parser": "5.42.0",
@@ -417,6 +418,7 @@
     "uuid": "9.0.0",
     "vendor": "link:./public/vendor",
     "visjs-network": "4.25.0",
+    "webpack-assets-manifest": "^5.1.0",
     "whatwg-fetch": "3.6.2",
     "xlsx": "https://cdn.sheetjs.com/xlsx-0.19.1/xlsx-0.19.1.tgz"
   },