Always reinitialize activities when retrying Workers processes

arkindex/documents/tests/test_bulk_classification.py

arkindex/documents/tests/test_bulk_element_transcriptions.py

arkindex/documents/tests/test_bulk_elements.py

arkindex/documents/tests/test_bulk_transcription_entities.py

arkindex/documents/tests/test_bulk_transcriptions.py

arkindex/documents/tests/test_classification.py

arkindex/documents/tests/test_create_elements.py

arkindex/documents/tests/test_create_transcriptions.py

arkindex/documents/tests/test_entities_api.py

arkindex/documents/tests/test_metadata.py

arkindex/documents/tests/test_retrieve_elements.py

arkindex/images/tests/test_image_api.py

arkindex/metrics/tests/test_metrics_api.py

arkindex/ponos/tests/rq/test_trigger.py

arkindex/ponos/tests/test_api.py

arkindex/ponos/tests/test_artifacts_api.py

arkindex/ponos/tests/test_models.py

arkindex/process/models.py

arkindex/process/serializers/imports.py

arkindex/process/tests/process/test_clear.py