Can't select roles when edit the new user

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.0.X
• Fix Version/s: None
• Component/s: User Management > Roles
• Labels: None
• Fix Priority: 3
• Browsers:
  Internet Explorer 11
• QA Test Name:
  • Manual_Environment_Users_and_System_Management
• QA Test Score: 5

Steps to Reproduce:
1. Start the portal and login in.
2. Add a user, under Roles, click the Select

Expected result:
Pop up a dialog, and can select.

Actual result:
No response, can't pop up a dialog.