SSDM-13330: Removed get/set/clear boolean flags, added enum for differentiating these operations. Prepared PhysicalDadaMgmt for implementation of object/collection get/set

SSDM-13330: Added PhysicalDataMgmt for handling data stored in DSS, implemented init command for physical data. Refactored code.

SSDM-13365: changed configuration of test-api-openbis-javascript project to copy and delete blast for test

SSDM-13261: now samples are always excepted if they are not hidden. Thus also samples of COLLECTIONs are shown