fix: typeerror on some group create

src/Socket/groups.ts

@@ -1,6 +1,6 @@
 import { generateMessageID } from "../Utils";
 import { SocketConfig, GroupMetadata, ParticipantAction } from "../Types";
-import { BinaryNode, getBinaryNodeChild, getBinaryNodeChildren, jidEncode } from "../WABinary";
+import { BinaryNode, getBinaryNodeChild, getBinaryNodeChildren, jidEncode, jidNormalizedUser } from "../WABinary";
 import { makeSocket } from "./socket";
 
 export const makeGroupsSocket = (config: SocketConfig) => {
@@ -196,7 +196,7 @@ export const extractGroupMetadata = (result: BinaryNode) => {
 		id: groupId,
 		subject: group.attrs.subject,
 		creation: +group.attrs.creation,
-		owner: group.attrs.creator,
+		owner: group.attrs.creator ? jidNormalizedUser(group.attrs.creator) : undefined,
 		desc,
 		descId,
 		restrict: !!getBinaryNodeChild(result, 'locked'),

src/Socket/messages-recv.ts

@@ -274,9 +274,7 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 
                     result.messageStubType = WAMessageStubType.GROUP_CREATE
                     result.messageStubParameters = [metadata.subject]
-                    result.key = {
-                        participant: jidNormalizedUser(metadata.owner)
-                    }
+                    result.key = { participant: metadata.owner }
 
                     ev.emit('chats.upsert', [{
                         id: metadata.id,

src/Types/GroupMetadata.ts

@@ -6,7 +6,7 @@ export type ParticipantAction = 'add' | 'remove' | 'promote' | 'demote'
 
 export interface GroupMetadata {
     id: string
-    owner: string
+    owner: string | undefined
     subject: string
     creation: number
     desc?: string