Leading comma in groupIds input value when selecting scope for regular role permission

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.3 CE GA4, Master
• Component/s: User Management > Roles
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-lima/liferay-portal/pull/309

Steps to reproduce:

1. Go to Roles> Regular role 
2. Add a new regular role
3. Define permissions for this role
4. Go to any components (e.g Document and Media )
5. Try to check GENERAL PERMISSION> View  (Any permissions)
6. Change the scope to a specific site (e.g Liferay DXP)
7. Inspect the permission's groupIds input in DOM and note that there's a leading comma in the input value