SSDM-5772: getVocabularies, Java part with system test.

...openbis/generic/server/asapi/v3/ApplicationServerApi.java

...s/generic/server/asapi/v3/ApplicationServerApiLogger.java

...erver/asapi/v3/executor/operation/OperationsExecutor.java

...executor/vocabulary/GetVocabulariesOperationExecutor.java

...xecutor/vocabulary/IGetVocabulariesOperationExecutor.java

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

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

...z/sis/openbis/generic/asapi/v3/IApplicationServerApi.java

...asapi/v3/dto/vocabulary/get/GetVocabulariesOperation.java

...v3/dto/vocabulary/get/GetVocabulariesOperationResult.java