f no offer id in held htlc message context

Author: valentinewallace

lightning/src/ln/channelmanager.rs

@@ -9624,9 +9624,9 @@ where
 		).map_err(|()| Bolt12SemanticError::MissingPaths)?;
 
 		let nonce = Nonce::from_entropy_source(entropy);
-		let hmac = offer.id().hmac_for_static_invoice(nonce, expanded_key);
+		let hmac = signer::hmac_for_held_htlc_available_context(nonce, expanded_key);
 		let context = MessageContext::AsyncPayments(
-			AsyncPaymentsContext::InboundPayment { offer_id: offer.id(), nonce, hmac }
+			AsyncPaymentsContext::InboundPayment { nonce, hmac }
 		);
 		let async_receive_message_paths = self.create_blinded_paths(context)
 			.map_err(|()| Bolt12SemanticError::MissingPaths)?;