SSDM-55: Moved property method to an abstract class - js

...-javascript/src/v3/as/dto/common/entity/AbstractEntity.js

...ipt/src/v3/as/dto/common/entity/AbstractEntityCreation.js

...c/v3/as/dto/common/entity/AbstractEntityPropertyHolder.js

...cript/src/v3/as/dto/common/entity/AbstractEntityUpdate.js

...avascript/src/v3/as/dto/dataset/create/DataSetCreation.js

...-javascript/src/v3/as/dto/dataset/update/DataSetUpdate.js

...ipt/src/v3/as/dto/experiment/create/ExperimentCreation.js

...cript/src/v3/as/dto/experiment/update/ExperimentUpdate.js

...ascript/src/v3/as/dto/material/create/MaterialCreation.js

...avascript/src/v3/as/dto/material/update/MaterialUpdate.js

...-javascript/src/v3/as/dto/sample/create/SampleCreation.js

...is-javascript/src/v3/as/dto/sample/update/SampleUpdate.js