Users List: paging errors

Description

Steps to reproduce 1:

1. Download Alloy Demo Kit.
2. Run the application.
3. Go to page "Search Users/Groups".
4. Search with Type: Users , Number of hits per page: 2

Expected:
There are 2 pages in the result: page 1: "epiadmin","nancy" page 2: "peter"
Actual:
There are 2 pages in the result: page 1: "epiadmin","nancy" page 2: "nancy","peter"

Steps to reproduce 2:
1. Create a new EpiServer project via Visual Studio.
2. Run the application.
3. Log in as an admin user.
4. Create some users.
5. Go to search User/Group.
6. Search with Type: Users, Number of hits per page: 2

The same issue described above occurs.