[LMS-1676] introduced SampleChooserButton for sample registration/edition

...d/openbis/generic/client/web/client/application/Dict.java

...t/web/client/application/ui/field/ChosenEntitySetter.java

.../web/client/application/ui/field/EntityChooserDialog.java

...eb/client/application/ui/field/IChosenEntityListener.java

.../web/client/application/ui/field/IChosenEntitySetter.java

.../web/client/application/ui/field/SampleChooserButton.java

...d/openbis/generic/client/web/public/generic-dictionary.js

...ication/sample/AbstractGenericSampleRegisterEditForm.java

...ient/web/client/application/sample/ParentSamplesArea.java