When user doesn't have permission to edit a Site the button looks disabled, but is clickable.
- Create a user "test" with permissions:
c) User/login: site,admin
2. Create a Site in SiteFactory when logged as admin
Steps to reproduce:
1. Login as user "test"
2. Go to "Site" -> site factor
3. Go to details of the created Site in Site Factory
4. Click "Edit"
Button is not clickable
Button is clickable and Symfony AccessDenied page is shown in dev mode