UAD data exports file shows 0kb

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 DXP FP68, 7.0.X, 7.1.1 CE GA2, 7.1.10 DXP FP5, 7.1.X, Master
• Fix Version/s: 7.0.0 DXP FP70, 7.0.X, 7.1.10 DXP FP7, 7.1.10.2 SP2, 7.1.3 CE GA4, 7.1.X, Master
• Component/s: User Management > Personal Data
• Labels:
  • backend_test
  • liferay-dxp-70-sp10
  • liferay-dxp-71-sp2
  • liferay-fixpack-de-70-7010
  • liferay-fixpack-dxp-7-7110
• Branch Version/s:
  7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Story Points: 1
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/66759

Steps to reproduce:

1. Add a new user Test1
2. Assign Liferay site to Test1 with site admin role
3. Post a new message thread
4. Export data of Test1
5. Trying to download the exported Message Boards file

Expect Result
Size shouldn't be 0kb since we have content in it

Actually Result
The file Size shows 0kb