Update create_offer_builder to use Bolt12CreationError

Updated the create_offer_builder method in ChannelManager to
replace Bolt12SemanticError with Bolt12CreationError.

lightning/src/ln/channelmanager.rs

@@ -8672,15 +8672,15 @@ macro_rules! create_offer_builder { ($self: ident, $builder: ty) => {
 	/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 	pub fn create_offer_builder(
 		&$self, absolute_expiry: Option<Duration>
-	) -> Result<$builder, Bolt12SemanticError> {
+	) -> Result<$builder, Bolt12CreationError> {
 		let node_id = $self.get_our_node_id();
 		let expanded_key = &$self.inbound_payment_key;
 		let entropy = &*$self.entropy_source;
 		let secp_ctx = &$self.secp_ctx;
 
 		let path = $self.create_blinded_paths_using_absolute_expiry(OffersContext::Unknown {}, absolute_expiry)
 			.and_then(|paths| paths.into_iter().next().ok_or(()))
-			.map_err(|_| Bolt12SemanticError::MissingPaths)?;
+			.map_err(|_| Bolt12CreationError::InvalidSemantics(Bolt12SemanticError::MissingPaths))?;
 
 		let builder = OfferBuilder::deriving_signing_pubkey(
 			node_id, expanded_key, entropy, secp_ctx