refactor: renamed get_first_admin to get_first_super_admin which

reflects better what kind of user we're fetching.

rhodecode/controllers/admin/repo_groups.py

@@ -99,7 +99,7 @@ class RepoGroupsController(BaseController):
         if repo_group.user:
             data.update({'user': repo_group.user.username})
         else:
-            replacement_user = User.get_first_admin().username
+            replacement_user = User.get_first_super_admin().username
             data.update({'user': replacement_user})
 
         # fill repository group users

rhodecode/controllers/admin/user_groups.py

@@ -88,7 +88,7 @@ class UserGroupsController(BaseController):
         if user_group.user:
             data.update({'user': user_group.user.username})
         else:
-            replacement_user = User.get_first_admin().username
+            replacement_user = User.get_first_super_admin().username
             data.update({'user': replacement_user})
         return data
 

rhodecode/controllers/admin/users.py

@@ -403,7 +403,7 @@ class UsersController(BaseController):
         c.active = 'advanced'
         c.perm_user = AuthUser(user_id=user_id, ip_addr=self.ip_addr)
         c.personal_repo_group = RepoGroup.get_by_group_name(user.username)
-        c.first_admin = User.get_first_admin()
+        c.first_admin = User.get_first_super_admin()
         defaults = user.get_dict()
 
         # Interim workaround if the user participated on any pull requests as a