Fix live chat issues: (#15473)

- Agent filter on department form
 - Missing i18n keys
 - Random exceptions being thrown by livechat room.

app/livechat/client/views/app/tabbar/visitorHistory.js

@@ -41,7 +41,9 @@ Template.visitorHistory.onCreated(function() {
 
 	this.autorun(() => {
 		const room = ChatRoom.findOne({ _id: Template.currentData().rid });
-		this.visitorId.set(room.v._id);
+		if (room) {
+			this.visitorId.set(room.v._id);
+		}
 	});
 
 	if (currentData && currentData.rid) {

app/theme/client/imports/general/base_old.css

@@ -468,7 +468,7 @@ rc-old select,
 }
 
 .rc-old .-autocomplete-container {
-	top: auto !important;
+	top: auto;
 
 	width: 100%;
 

app/ui/client/views/app/room.js

@@ -1223,13 +1223,18 @@ Template.room.onRendered(function() {
 	this.autorun(() => {
 		const subscription = Subscriptions.findOne({ rid }, { fields: { alert: 1, unread: 1 } });
 		readMessage.read();
-		return (subscription.alert || subscription.unread) && readMessage.refreshUnreadMark(rid);
+		return subscription && (subscription.alert || subscription.unread) && readMessage.refreshUnreadMark(rid);
 	});
 
 	this.autorun(() => {
 		const lastMessage = this.state.get('lastMessage');
 
 		const subscription = Subscriptions.findOne({ rid }, { fields: { ls: 1 } });
+		if (!subscription) {
+			this.unreadCount.set(0);
+			return;
+		}
+
 		const count = ChatMessage.find({ rid, ts: { $lte: lastMessage, $gt: subscription && subscription.ls } }).count();
 
 		this.unreadCount.set(count);

packages/meteor-autocomplete/client/autocomplete-client.js

@@ -80,7 +80,7 @@ export default class AutoComplete {
 		this.position = settings.position || 'bottom';
 		this.rules = settings.rules;
 		this.selector = {
-			constainer: '.-autocomplete-container',
+			container: '.-autocomplete-container',
 			item: '.-autocomplete-item',
 			...settings.selector,
 		};
@@ -392,7 +392,7 @@ export default class AutoComplete {
 	positionContainer() {
 		// First render; Pick the first item and set css whenever list gets shown
 		let pos = {};
-		const element = this.tmplInst.$(this.selector.anchor || this.$element);
+		const element = this.selector.anchor ? this.tmplInst.$(this.selector.anchor) : this.$element;
 
 		if (this.position === 'fixed') {
 			const width = element.outerWidth();

packages/rocketchat-i18n/i18n/en.i18n.json

@@ -240,6 +240,7 @@
   "Advocacy": "Advocacy",
   "After_OAuth2_authentication_users_will_be_redirected_to_this_URL": "After OAuth2 authentication, users will be redirected to an URL on this list. You can add one URL per line.",
   "Agent": "Agent",
+  "Agents": "Agents",
   "Agent_added": "Agent added",
   "Agent_removed": "Agent removed",
   "Alerts": "Alerts",
@@ -1458,6 +1459,7 @@
   "FileSize_KB": "__fileSize__ KB",
   "FileSize_MB": "__fileSize__ MB",
   "FileSize_Bytes": "__fileSize__ Bytes",
+  "Filter": "Filter",
   "Financial_Services": "Financial Services",
   "First_Channel_After_Login": "First Channel After Login",
   "First_response_time": "First Response Time",
@@ -2046,6 +2048,7 @@
   "manage-user-status_description": "Permission to manage the server custom user statuses",
   "Manage_Apps": "Manage Apps",
   "Manage_the_App": "Manage the App",
+  "Managers": "Managers",
   "Manager_added": "Manager added",
   "Manager_removed": "Manager removed",
   "Managing_assets": "Managing assets",

packages/rocketchat-i18n/i18n/pt-BR.i18n.json

@@ -231,6 +231,7 @@
   "Advocacy": "Apoio dado",
   "After_OAuth2_authentication_users_will_be_redirected_to_this_URL": "Após a autenticação OAuth2, os usuários serão redirecionados para esta URL",
   "Agent": "Agente",
+  "Agents": "Agentes",
   "Agent_added": "Agente adicionado",
   "Agent_removed": "Agente removido",
   "Alerts": "Alertas",
@@ -1379,6 +1380,7 @@
   "FileSize_KB": "__fileSize__ KB",
   "FileSize_MB": "__fileSize__ MB",
   "FileSize_Bytes": "__fileSize__ Bytes",
+  "Filter": "Filtrar",
   "Financial_Services": "Serviços financeiros",
   "First_Channel_After_Login": "Primeiro canal após o login",
   "First_response_time": "Primeiro tempo de resposta",
@@ -1919,6 +1921,7 @@
   "manage-sounds_description": "Permissão para gerenciar os sons do servidor",
   "Manage_Apps": "Gerenciar aplicativos",
   "Manage_the_App": "Gerencie a aplicação",
+  "Managers": "Gerentes",
   "Manager_added": "Gerente adicionado",
   "Manager_removed": "Gerente removido",
   "Managing_assets": "Gerenciando recursos",