Export process disappeared after upgraded from 7.0.10.16

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.3.26 CE GA26, 7.4.3.27 CE GA27, 7.4.3.28 CE GA28, Master
• Component/s: Content Publishing > Export/Import
• Labels:
  • 7.4-known-issues
  • QA-AUTOMATION
  • liferay-ga17-ce-743-known-issues
  • liferay-ga18-ce-743-known-issues
  • liferay-ga19-ce-743-known-issues
  • liferay-ga20-ce-743-known-issues
  • liferay-ga21-ce-743-known-issues
  • liferay-ga22-ce-743-known-issues
  • liferay-ga23-ce-743-known-issues
  • liferay-ga24-ce-743-known-issues
  • liferay-ga25-ce-743-known-issues
  • liferay-update-dxp-26-7413
  • pt-upgrade-review
• Story Points: 5
• Fix Priority: 4
• Sprint: StagingIter39 - WillyWonka
• Git Pull Request: https://github.com/liferay-staging/liferay-portal/pull/58
• QA Test Name:
  • LocalFile.StagingUpgrade#DefaultSiteCanBeExportedAfterUpgrade701016
• QA Test Score: 5

Steps to reproduce:

1. Start up 7.0.10.16 portal.
2. Navigate to the default site.
3. Add a web content entry.
4. Navigate to Publishing -> Export
5. Export the default site with default settings
6. Stop portal and upgrade to master(Note: You can import the attached dump instead of executing step1-5)
7. Start up portal
8. Navigate to Publishing -> Export

Expected result: The previous export process should display in export admin.
Actual result: The previous export process disappeared.