Description of problem:

User1 selection is preserved for user2 login session. Cookie _ForemanSelectedhosts is not expiring

If user1 select few hosts in WebUI (say all-hosts page), after logging out, if user2 logins, the same selection will be preserved.

Upon checking this further could see that Cookie named "_ForemanSelectedhosts" is preserved and is not expiring through logout session.

How reproducible:
Anytime

Steps to Reproduce:
1. Login as User 1 > All Hosts > select some Host/s
2. Logout user1
3. Login as User 2 > All Hosts : Here same selections made by user1 will be available.

Actual results:

_ForemanSelectedhosts Cookie is not expired on logout. Selection made by user1 available to user2

Expected results:

_ForemanSelectedhosts Cookie should expire on logout. Selection made by user1 shouldn't be available to user2