Description of problem:
You are not able to edit your project details when you own both personal and group project with same name.

Version-Release number of selected component (if applicable):
copr-frontend-1.86

How reproducible:
Always

Steps to Reproduce:
1. Create personal project called "foo"
2. Go to arbitrary group that you are member of
3. Create project called "foo" in this group
4. Edit your personal "foo" project and hit "Update" button

Actual results:
You receive following error message: "You already have project named 'foo'."

Expected results:
Successful update of the project

Additional info:
If you try to edit your group project in step 4, you will succeed. The fail occurs only when editing your personal "foo" project.