"Reply As" button is disabled when replying to an asset as a guest user in IE 11

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Collaboration > Comments, DM
• Labels:
  • 7.1-could
• Fix Priority: 4
• Browsers:
  Internet Explorer 11

Steps to reproduce:

1. Add a DM widget to the site page
2. Add a document
3. Log out of Portal
4. As guest user, view document
5. Type text into the comments widget

Expected result:
The Reply as... button, once disabled, is enabled when the user types text into the comment field.

Actual result:
The Reply as... button remains disabled, so the user is unable to publish his reply.

Tested with Blogs comments and DM comments.

Reproduced on:
Tomcat 9.0.6 + MySQL 5.7.
Portal master GIT ID: cfb29a91916e6a4a42a38e279e3070c0d019b399
Browser: IE11