Cannot delete uploaded files in Add Multiple Documents

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE B1
• Fix Version/s: 6.2.0 CE B1
• Component/s: ~ [Archived] Frontend Infrastructure
• Labels:
  • QA-R
  • QA-TP
• Story Points: 2
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/12742

Steps to reproduce:

1. Navigate to Site Administration > Documents and Media
2. Click Add > Multiple Documents
3. Select any number of documents to upload

Once the files are uploaded (before clicking save), click the x icon on any of the files. Once you refresh the page the deleted documents will still be listed.