New site cannot be created due to JS error

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 3, 7.1.X, Master
• Component/s: Sites Management
• Labels: None
• Fix Priority: 5
• OS:
  Windows 10
• Bug Type: Regression Bug

To reproduce:
1. navigate to Control Panel > Sites > Sites
2. click on Blank Site

Actual result:
JS error is thrown to console
in IE

stack: "Error: Load timeout for modules: metal-dom/src/all/dom,metal-uri/src/Uri,metal-dom/src/all/dom,frontend-js-web/liferay/modal/commands/OpenSimpleInputModal.es at Anonymous function (http://localhost:8080/o/frontend-js-web/loader/loader.js:592:6)

in Chrome

<script src="http://localhost:[email protected]/lib/ClayToast.js?languageId=en_US"></script>

Expected result:
Site to be created

Tested on master 2fbbd43