It's possible to create a site in Site Factory without any public access, which breaks the admin panel.

Setup:
Use setup from https://github.com/ezsystems/ezplatform-ee/pull/130

*Steps to reproduce:
1. Login as admin
2. Go to "Site" > Site Factory (click the icon)
3. Click "Create"
4. Enter the Site name: "Test" and select layout "RoadShow"
5. In the access enter:
Access: {{test.local}
Language: English
6. Create the Site
7. Click "Test" in page-builder site access menu

Expected:
The Page Builder preview link contains test.local

Actual:
The Page Builder preview link has a form of:
http://example.com/61f32292c8b98ca093f75d967e27c9a1aeb2d20d