LMS-2044 HCS: Change Data Set Types

...bis/source/sql/postgresql/migration/migration-065-066.sql

screening/dist/admin/empty-screening-database.sql

screening/dist/etc/service.properties

screening/dist/server/web-client.properties

.../openbis/dss/screening/server/DssServiceRpcScreening.java

...ng/client/web/client/application/ClientPluginFactory.java

...in/screening/server/logic/FeatureVectorDatasetLoader.java

.../plugin/screening/server/logic/HCSImageDatasetLoader.java

...enbis/plugin/screening/server/logic/ScreeningApiImpl.java

...openbis/plugin/screening/server/logic/ScreeningUtils.java

...plugin/screening/shared/basic/dto/ScreeningConstants.java