Import process result is not displayed due to NPE

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 3, 7.1.X, Master
• Component/s: Staging > Export/Import
• Labels:
  • QA-AUTOMATION
  • UI
• Fix Priority: 5
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/59156
• QA Test Name:
  • LocalFile.ExportImport#ExportImportSmoke
  • LocalFile.ExportImport#ExportImportWithExportTemplate
• QA Test Score: 9

To reproduce:
1. navigate to Publishing > Import
2. upload a lar file
3. finish import process

Actual result:
Process result is not displayed, NPE is thrown to console. See trace here.

Expected:
Process result to be displayed

Tested on master fdc8c76