fix: Affiliation type validation #318

Job	Run time
unit_tests_artifact / tst_ml / maven_test	2m 53s
unit_tests_artifact / tst_amq / maven_test	2m 49s
unit_tests_artifact / tst_iapi / maven_test	4m 10s
unit_tests_artifact / tst_api / maven_test	5m 34s
unit_tests_artifact / tst_api_common / maven_test	5m 55s
unit_tests_artifact / tst_core / maven_test	6m 48s
unit_tests_artifact / tst_persistence / maven_test	8m 43s
unit_tests_artifact / tst_pubweb / maven_test	5m 15s
unit_tests_artifact / tst_sched / maven_test	5m 6s
unit_tests_artifact / tst_utils / maven_test	2m 46s
unit_tests_artifact / tst_web / maven_test	4m 4s
	54m 3s

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