Trying to delete the Basic Web Content template reveals list of backend templates

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 Alpha 2
• Fix Version/s: 7.0.0 Alpha 2
• Component/s: Dynamic Data Mapping, Dynamic Data Mapping > Template Editor, Security Vulnerability
• Labels:
  • EXP7
• Fix Priority: 5
• Sprint: Sprint 1: Sep, 28 - Oct, 09
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/30795

Steps to reproduce:

1. Add a Site
2. Add a Basic Web Content article in the new Site
3. Back in the default Liferay Site, navigate to Sites > Content > Web Content
4. Click to view the list of available Templates
   • Delete it

Expected result:
The User can delete the template without any issues (see similar issue filed in LPS-58979), and without any secret lists of templates displaying.

Actual result:
Trying to delete the Basic Web Content template will throw UI errors and list out some previously hidden, backend templates for the portal. See attached gif.