Empty Knowledge Base folders are not exported

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP9, 7.2.X, 7.3.X, Master
• Component/s: Knowledge Base widget, Staging > Export/Import
• Labels:
  • ee-ts
  • liferay-fixpack-dxp-9-7210
• Branch Version/s:
  7.3.x, 7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-lima/liferay-portal/pull/835

Steps to Reproduce

1. Go to Control Panel - Content & Data - Knowledge Base
2. Add a new Knowledge Base folder
3. In the upper right three dot menu click Export / Import
4. Export and save the LAR
5. Delete the Knowledge Base folder
6. Import the LAR exported in Step 4

Expected Results
The Knowledge Base folder is imported.

Actual Results
The Knowledge Base folder is not imported.