fromIssuerSignedItems

Ensures the serialization of this structure in Document.issuerSigned:

IssuerNameSpaces = { ; Returned data elements for each namespace
+ NameSpace => [ + IssuerSignedItemBytes ]
}
IssuerSignedItemBytes = #6.24(bstr .cbor IssuerSignedItem)

See ISO/IEC 18013-5:2021, 8.3.2.1.2.2 Device retrieval mdoc response