columns exclude configuration for list views

[gythaogg]

overriding ABSTRACT_ENTITY_COLUMNS_EXCLUDE for entities

This pull request includes changes to the apis_ontology module, focusing on the filter sets and forms to improve consistency and functionality. The most important changes include importing and utilizing new forms, modifying the Meta classes, and updating form classes to inherit from a new mixin.

Changes to filter sets:

• Removed the import of GenericFilterSet from apis_ontology/filtersets.py.
• Added the import of RelationSearchForm in apis_ontology/filtersets.py.
• Updated the Meta class within TibScholRelationMixinFilterSet to use RelationSearchForm.
• Modified the Meta classes for PlaceFilterSet, PersonFilterSet, WorkFilterSet, and InstanceFilterSet to inherit from their respective mixins. [1] [2] [3] [4]

Changes to forms:

• Added imports for AbstractEntityFilterSetForm and GenericModelForm in apis_ontology/forms.py.
• Introduced TibScholEntityMixinSearchForm with specified columns to exclude.
• Updated PlaceSearchForm, PersonSearchForm, WorkSearchForm, and InstanceSearchForm to inherit from TibScholEntityMixinSearchForm. [1] [2] [3]
• Added RelationSearchForm with specified columns to exclude.