There is something called "compact prosecution" that encourages examiners to reject on all grounds in the first office action rather than come up with new references as the case proceeds. However, if some element mentioned in the specification is not initially in a claim then a reference that shows that element as old clearly does not belong in a rejection. ...
MPEP 1504.04 discusses converting originally disclosed broken lines to solid lines:
"an amendment that changes the scope of a design by either converting
originally-disclosed solid line structure to broken lines or
converting originally-disclosed broken line structure to solid lines
would not introduce new matter because such amendment would not