SSDM-6516 : Fix inconsistent use of $ for internal namespace properties

...sapi/v3/executor/property/CreatePropertyTypeExecutor.java

...server/asapi/v3/translator/dataset/DataSetBaseRecord.java

...eric/server/asapi/v3/translator/dataset/DataSetQuery.java

...erver/asapi/v3/translator/experiment/ExperimentQuery.java

...ic/server/asapi/v3/translator/material/MaterialQuery.java

...sapi/v3/translator/property/PropertyAssignmentRecord.java

.../v3/translator/property/PropertyAssignmentTranslator.java

.../asapi/v3/translator/property/PropertyTypeTranslator.java

...eneric/server/asapi/v3/translator/sample/SampleQuery.java

...penbis/systemtest/asapi/v3/AbstractGetEntityTypeTest.java

...is/openbis/systemtest/asapi/v3/CreateDataSetTypeTest.java

...sis/openbis/systemtest/asapi/v3/CreateEntityTypeTest.java

...openbis/systemtest/asapi/v3/CreateExperimentTypeTest.java

...s/openbis/systemtest/asapi/v3/CreateMaterialTypeTest.java

...s/openbis/systemtest/asapi/v3/CreatePropertyTypeTest.java

...sis/openbis/systemtest/asapi/v3/CreateSampleTypeTest.java

.../sis/openbis/systemtest/asapi/v3/GetPropertyTypeTest.java

...h/ethz/sis/openbis/systemtest/asapi/v3/GetSampleTest.java

...bis/systemtest/asapi/v3/SearchPropertyAssignmentTest.java

...sis/openbis/systemtest/asapi/v3/SearchSampleTypeTest.java