LAR files from DXP should fail validation on master

• Type: Regression Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Staging > Export/Import
• Labels: None
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/52165

Steps to reproduce (Import DXP LAR to master):

1. Navigate to Web Content administration
2. Click the ellipsis on the top-right > Export/Import
3. Click the Import tab
4. Choose the attached LAR file to import

Actual result:
The LAR file will pass validation and be available for upload.

Expected result:
The LAR should not be imported successfully.