fix(RDF): Output not always as expected when using table inheritance

[svandenhoek]

What are the main changes you did:

• Test that validated table inheritance in different ways re-used the same handler. This caused a bugged test to succeed while it should have failed as an API call with a rowId never describes the table/columns:
  

  molgenis-emx2/backend/molgenis-emx2-rdf/src/main/java/org/molgenis/emx2/rdf/RDFService.java

  Lines 201 to 204 in 23306db

  	if (rowId == null) {
  	describeTable(builder, tableToDescribe);
  	describeColumns(builder, tableToDescribe, columnName);
  	}

• When filtering on table, fields belonging to child tables were not included in the RDF output. If filtering by row includes the child table data, filtering on the table as a whole should include these as well so behaviour seems more coherent.

how to test:

• All test should succeed.

known issues:

• When using cross-schema table inheritance, only data from the selected schemas is shown. If using a table filter, only data is shown from the table and it's children. As one cannot yet use a table filter with multiple schema's, it's impossible to only show the table with it's cross-schema children (though RDFService should support this behaviour).

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

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