Include extended_pan_id when commissioning matter

src/data/matter.ts

@@ -68,6 +68,7 @@ export const startExternalCommissioning = async (hass: HomeAssistant) => {
           ).tlv,
           border_agent_id: preferredDataset.preferred_border_agent_id,
           mac_extended_address: preferredDataset.preferred_extended_address,
+          extended_pan_id: preferredDataset.extended_pan_id,
         },
       });
     }

src/external_app/external_messaging.ts

@@ -59,6 +59,7 @@ interface EMOutgoingMessageMatterCommission extends EMMessage {
   type: "matter/commission";
   payload?: {
     mac_extended_address: string | null;
+    extended_pan_id: string | null;
     border_agent_id: string | null;
     active_operational_dataset: string | null;
   };