SSDM-7399: JS part implemented and tested

.../tests/1/as/webapps/openbis-v3-api-test/html/test/main.js

...bapps/openbis-v3-api-test/html/test/test-dto-roundtrip.js

...as/webapps/openbis-v3-api-test/html/test/test-freezing.js

...openbis/public/resources/api/v3/as/dto/dataset/DataSet.js

...c/resources/api/v3/as/dto/dataset/update/DataSetUpdate.js

...s/public/resources/api/v3/as/dto/experiment/Experiment.js

...urces/api/v3/as/dto/experiment/update/ExperimentUpdate.js

...openbis/public/resources/api/v3/as/dto/project/Project.js

...c/resources/api/v3/as/dto/project/update/ProjectUpdate.js

...d/openbis/public/resources/api/v3/as/dto/sample/Sample.js

...lic/resources/api/v3/as/dto/sample/update/SampleUpdate.js

...isd/openbis/public/resources/api/v3/as/dto/space/Space.js

...ublic/resources/api/v3/as/dto/space/update/SpaceUpdate.js