feat: handle default disappearing mode change notifications

src/Socket/messages-recv.ts

@@ -314,6 +314,22 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 				}
 			}
 
+			break
+		case 'account_sync':
+			if(child.tag === 'disappearing_mode') {
+				const newDuration = +child.attrs.duration
+				const timestamp = +child.attrs.t
+				ev.emit('creds.update', {
+					accountSettings: {
+						...authState.creds.accountSettings,
+						defaultDisappearingMode: {
+							ephemeralExpiration: newDuration,
+							ephemeralSettingTimestamp: timestamp,
+						},
+					}
+				})
+			}
+
 			break
 		}