Steps to reproduce:
1. Use Remote Staging between two Sites (they can be on the same portal)
2. Create a page "page1" in Staging
3. Create a page of type link to url "link" in Staging
4. Publish the Site
5. Go to the Live site
6. Click edit on "page1"
7. Click delete
Actual Result: No error message, page is still present.
Expected Result: Error message: "The first page cannot be of type Link to URL.", but the page should still be present