ID 404136 - 'CreateSelectionSets' argument is ignored when loading .abc or .fbx files

Problem summary
'CreateSelectionSets' argument is ignored when loading .abc or .fbx files 

Customer reported version

4.5v2

Customer reported platform

linux

Steps to reproduce (reproduced by the development team)

1) Load a .abc or .fbx via the API:

mari.geo.load('/path/to/many_meshes.abc',
{'MergeType': mari.geo.MERGETYPE_SINGLE_MESH,
'MergeSelectionGroupWithSameNameType': mari.geo.MERGESELECTIONGROUP_MERGE_SELECTIONGROUP_HAVING_SAME_NAME,
'CreateSelectionSets': mari.geo.SELECTION_GROUPS_DONT_CREATE})

Expected behaviour
No selection groups to be created 

Actual behaviour
Selection groups have been created 

Workaround
This does not affect .obj files

Reproduced by the development team