change mapping for learning resource types

project/dalia/query/items/facets/facet_objects.py

project/dalia/rdf/namespace/MoDalia.py

...s/project/dalia/query/communities/test_community_items.py

...y/items/basic_search_filters/test_basic_search_filters.py

tests/project/dalia/query/items/metadata/test_items.py

...ct/dalia/query/items/metadata/test_one_to_one_metadata.py

...s/project/dalia/query/items/search/test_ItemSearchView.py

tests/project/dalia/query/items/search/test_text_search.py