fix: DS Projects permission mgmt tests

[FedeAlonso]

During the execution of the different QGs for 2.9 version, we've detected that some of the DS Project permission management tests were failing due to some modifications in the UI.
This PR fixes the following tests:

• ODS-2201: Verify User Can Make Their Owned DS Project Accessible To Other Users
• ODS-2202: Verify User Can Modify And Revoke Access To DS Projects From Other Users
• ODS-2208: Verify User Can Assign Access Permissions To User Groups

Test results:

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %
450	0	0	450	100

[jstourac]

Followup of #1333