Looks the name up among the document's named destinations.
public PdfExplicitDestination? Resolve()
null when the destination is remote, or, with a diagnostic, when the
document has no destination of that name or its value is not a destination.
ISO 32000-2 §12.3.2.4. A value that is a dictionary resolves to its D entry. A value that is itself a name or string is
not followed.