chore: adds deprecation warning on livechat:setupConnection (RocketChat#37218)

Author: lucas-a-pelegrino

.changeset/chilled-chicken-drop.md

@@ -0,0 +1,6 @@
+---
+"@rocket.chat/meteor": patch
+"@rocket.chat/ddp-streamer": patch
+---
+
+Adds deprecation warning on `livechat:setupConnection`

apps/meteor/app/livechat/server/methods/setUpConnection.ts

@@ -3,6 +3,7 @@ import type { ServerMethods } from '@rocket.chat/ddp-client';
 import { check } from 'meteor/check';
 import { Meteor } from 'meteor/meteor';
 
+import { methodDeprecationLogger } from '../../../lib/server/lib/deprecationWarningLogger';
 import { notifyGuestStatusChanged } from '../lib/guests';
 
 declare module '@rocket.chat/ddp-client' {
@@ -24,6 +25,7 @@ declare module 'meteor/meteor' {
 
 Meteor.methods<ServerMethods>({
 	'livechat:setUpConnection'(data) {
+		methodDeprecationLogger.method('livechat:setUpConnection', '8.0.0', 'This functionality is no longer supported');
 		check(data, {
 			token: String,
 		});

ee/apps/ddp-streamer/src/configureServer.ts

@@ -139,6 +139,7 @@ server.methods({
 	},
 	// Copied from /app/livechat/server/methods/setUpConnection.js
 	'livechat:setUpConnection'(data = {}) {
+		console.warn('Warning: Method livechat:setUpConnection is deprecated and will be removed on v8.0.0');
 		const { token } = data;
 
 		if (typeof token !== 'string') {