Mentions - Site level configuration is missing in the Control Panel

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE
• Fix Version/s: 6.2.X EE
• Component/s: Collaboration, Collaboration > Mentions
• Labels: None
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Fix Priority: 5
• Git Pull Request: https://github.com/brianchandotcom/liferay-plugins-ee/pull/11213

It is only possible to configure mentions at the portal level, users can not configure mentions at the site level.

Steps to Reproduce:

1. Deploy Mentions
2. Go to Control Panel, Sites
3. Go to a Site
4. Go to Configuration > Site Settings

Expected Result:
Can configure mentions at the site level for a site.

Actual Result:
Can't configure mentions at the site level.