IE11 not possible to add the picture from file manager

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.5 CE GA6, 7.3.10 DXP GA1, 7.3.X, Master
• Component/s: CKEditor
• Labels:
  • 7.3-known-issues
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Browsers:
  Internet Explorer 11
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/386
• Bug Type: Regression Bug

Steps
1. Open the CKeditor from Web Content or Knowledge Base
2. click on Add picture
3. Add file choosing existing one or from the disk
Expected result
picture added
Actual resutl
Picture is not added
2020-09-10_15h08_39.mp4
Verified on:
Environment: spanish server
Branch: master
Database: HSQL
Last Commit: 5bcc4b3a0fa44fb6b6d7ec89433bdbe43eb015eb

FYI: manoel.cyreno john.co