Referenced entities should not generate new entity when modified

[dafeder]

This feels like unexpected behavior, and negates usefulness of separating things like resources/distributions into separate nodes.

[kimwdavidson]

@dafeder to split into two tickets, assign tickets to @fmizzell and move to To Do.

[susisiman]

This may be best to leave as is with node storage and address in entity storage when there is time.