Fix: hide private artefacts when getting all artefacts

[imadbourouche]

• see issue: /artefacts shows private artefacts #186

What's change

Hide private artefacts (ontologies) by only setting the read_restriction_based_on attribute based on the ontology access

# Access control
read_restriction_based_on ->(artefct) { artefct.ontology }

Screenshots

• test user for /artefacts and /distributions
  
  

• admin user for /artefacts and /distributions
  
  

[syphax-bouazzouni]

Code seems fine, but tests are red.

[imadbourouche]

Code seems fine, but tests are red.

i will ask @Bilelkihal about this test, it's not working with agraph and virtuoso test_parse_ontology_has_iri_label

[syphax-bouazzouni]

Code seems fine, but tests are red.

i will ask @Bilelkihal about this test, it's not working with agraph and virtuoso test_parse_ontology_has_iri_label

If you merge development again to your branch I fixed that one.