feat: group services in filter by category

[chinook25]

What are the main changes you did

• closes feat(directory): Group service type filter options by serviceCategory #4544
• Added a serviceFilter in order to be able to group filter options

How to test

• explain here what to do to test this (or point to unit tests)

Checklist

• updated docs in case of new feature
• added/updated tests
• added/updated testplan to include a test for this fix, including ref to bug using # notation

[dtroelofsprins]

directory-demo => molgenis_settings.csv file needs to be changed as the new service types filter is now overwritten with the old one

[esthervanenckevort]

• Tested functionality and it works as expected. The grouped and sorted list makes navigating the services much easier.
• Tested in combination with other facets and this works fine

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud