Business central items are not visible in Kie navigator when other than default git path is used

Description of problem:
When Git Repository Path is set to another location than default (not the checkbox but the default filled path), business central items (rules, pom.xml and other files) are not visible in kie navigator.

Version-Release number of selected component (if applicable):
Drools 6.3.0.Final

How reproducible:
-

Steps to Reproduce:
1. Set up and run a server.
2. Open Kie navigator, open properties for the server and change Git repository path.
3. Open org unit, open repository, error "Invalid remote origin" is displayed, see the attachment.
4. Open project. Browse project.

Actual results:
No items are visible.

Expected results:
Items (rules, pom.xml, ...) are visible.

For more info see https://bugzilla.redhat.com/show_bug.cgi?id=1269100