Delete instance cause portal broken when site team assigned to site

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.10 DXP FP2, 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP3, 7.2.X, 7.2.1 CE GA2, Master
• Component/s: Portal Configuration > Portal Instances, Sites Administration > Sites
• Labels:
  • QA-AUTOMATION
  • liferay-fixpack-dxp-3-7210
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Last Working Version:
  7.2.10 DXP GA1
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/80044
• QA Test Name:
  • LocalFile.SitetemplatesUsecase#EditSiteTemplateGuestPermissions
  • LocalFile.SitetemplatesUsecase#PortletPreferencesPersistWithSiteTemplateWhenSamePortletAddedOnSecondPage
  • LocalFile.SitetemplatesUsecase#SiteTemplatePageLinkInWebContentRedirectCorrectly
• QA Test Score: 12

Steps to reproduce:

1. Add a instance: abc.com
2. Login to the instance
3. Add a site named as Site Name.
4. Navigate to People -> Team under Site Name, create new team.
5. Go to Site Settings -> Advanced, select the new created team as Teams.
6. Go to http://localhost:8080 > Virtual Instances
7. Delete abc.com instance.

Expected result:
Instance can be deleted.

Actual result:
Can not delete instance, page broken.