feat: support admin assign superuser in admin ui (#12798)

### What problem does this PR solve?

Allow superuser(admin) to grant or revoke other superuser.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/en.ts

@@ -2451,7 +2451,9 @@ Important structured information may include: names, dates, locations, events, k
 
       role: 'Role',
       user: 'User',
+      userType: 'User type',
       superuser: 'Superuser',
+      normalUser: 'Normal',
 
       createTime: 'Create time',
       lastLoginTime: 'Last login time',