SSDM-13365 fixes to server-original-data-store paths

.../cisd/etlserver/path/PathInfoDatabaseFeedingTaskTest.java

...storeserver/systemtests/JsonDssServiceRpcGenericTest.java

...rver/dbbackup/BackupDatabaseDescriptionGeneratorTest.java

...hon/JythonBasedAggregationServiceReportingPluginTest.java

...server/plugins/standard/TarBasedPathInfoProviderTest.java

...eneric/server/plugins/tasks/PluginTaskParametersTest.java

.../cisd/openbis/dss/generic/shared/utils/ImageUtilTest.java

...sd/openbis/dss/generic/shared/utils/ShareFactoryTest.java