Not needed polyfills are requested in IE11

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X
• Fix Version/s: 7.1.10 DXP FP13, 7.1.X
• Component/s: JS APIs and Utilities
• Labels:
  • 7.1.x-only
  • ee-ts
  • liferay-fixpack-dxp-13-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 2
• Git Pull Request: https://github.com/liferay/liferay-portal-ee/pull/15004
• Bug Type: Regression Bug

Steps to reproduce:

1. Start Liferay 7.1 with fixpack-11 or higher
2. Log in using IE11
3. Access browser console (network tab)

Expected behavior
All the requested files are found

Actual behavior
Some polyfills are not found throwing error like:

2019-07-05 09:35:58.117 WARN  [http-nio-7280-exec-11][code_jsp:172] {code="404", msg="ProxyServlet: /o/frontend-compatibility-ie/array.includes.js", uri=/o/frontend-compatibility-ie/array.includes.js}
2019-07-05 09:35:58.122 WARN  [http-nio-7280-exec-1][code_jsp:172] {code="404", msg="ProxyServlet: /o/frontend-compatibility-ie/array.of.js", uri=/o/frontend-compatibility-ie/array.of.js}
2019-07-05 09:35:58.123 WARN  [http-nio-7280-exec-3][code_jsp:172] {code="404", msg="ProxyServlet: /o/frontend-compatibility-ie/formdata.js", uri=/o/frontend-compatibility-ie/formdata.js}
2019-07-05 09:35:58.166 WARN  [http-nio-7280-exec-9][code_jsp:172] {code="404", msg="ProxyServlet: /o/frontend-compatibility-ie/promise.js", uri=/o/frontend-compatibility-ie/promise.js}