[FIX] Support ID param on createVisitor method (#22772)

* FIX createVisitor not supporting id param

* Fix build

* Apply suggestions for code review

Co-authored-by: Kevin Aleman <kevin.aleman@rocket.chat>

app/apps/server/bridges/livechat.ts

@@ -127,6 +127,7 @@ export class AppLivechatBridge extends LivechatBridge {
 			email: '',
 			connectionData: undefined,
 			phone: {},
+			id: visitor.id,
 		};
 
 		if (visitor.visitorEmails && visitor.visitorEmails.length) {

app/livechat/server/lib/Livechat.js

@@ -221,8 +221,9 @@ export const Livechat = {
 		return true;
 	},
 
-	registerGuest({ token, name, email, department, phone, username, connectionData } = {}) {
+	registerGuest({ id, token, name, email, department, phone, username, connectionData } = {}) {
 		check(token, String);
+		check(id, Match.Maybe(String));
 
 		let userId;
 		const updateUser = {
@@ -264,6 +265,7 @@ export const Livechat = {
 			const userData = {
 				username,
 				ts: new Date(),
+				...id && { _id: id },
 			};
 
 			if (settings.get('Livechat_Allow_collect_and_store_HTTP_header_informations')) {

server/features/EmailInbox/EmailInbox_Incoming.ts

@@ -43,6 +43,7 @@ function getGuestByEmail(email: string, name: string, department?: string): any
 		phone: undefined,
 		username: undefined,
 		connectionData: undefined,
+		id: undefined,
 	});
 
 	const newGuest = LivechatVisitors.findOneById(userId, {});