[3740] Add support for object duplication from Explorer

[lfasani]

Bug: #3740

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[lfasani]

It would be better if, when opening the dialog, the container of the object to duplicate were selected.
Because most of the time, the user wants to duplicate in the same container or in a container that is close in the tree.

[lfasani]

add || containedObjectEClass.getEAllSuperTypes().stream() .anyMatch(superType -> superType.equals(eReference.getEReferenceType())