Message board thread body disappears when edit thread

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.4.0 CE GA1, Master
• Fix Version/s: Master
• Component/s: Message Boards
• Labels:
  • QA-AUTOMATION
• Story Points: 1
• Fix Priority: 3
• Sprint: LIMA | QA Sprint 9
• QA Test Name:
  • LocalFile.CPMessageboards#EditMBThreadSubjectAndBody
• QA Test Score: 5

Steps to Reproduce:

1. Go to Content & Data > Message Boards.
2. Add a new thread with subject and body.
3. Edit the thread.

Expected Result:
Thread body displays in message board edit page.

Actual Result:
Thread body disappears.

Reproduced on:
Tomcat 9.0.43 + MySQL 5.7. Portal master DXP GIT ID: 717b6c56cfbef0b06cbbf29c47304fe9bb2e1d65.
Tomcat 9.0.43 + MySQL 5.7. Portal 7.4.0 ga1.