[FIX] Autocomplete component is not working property when searching channels...

[FIX] Autocomplete component is not working property when searching channels in the Livechat Departments form (#17970)

app/livechat/client/views/app/livechatDepartmentForm.html

@@ -64,6 +64,7 @@
 											templateItem="popupList_item_channel"
 											modifier=offlineMessageChannelModifier
 											showLabel=true
+											selector=channelSelector
 										}}
 									</div>
 									<div class="input-line">

app/livechat/client/views/app/livechatDepartmentForm.js

@@ -106,6 +106,9 @@ Template.livechatDepartmentForm.helpers({
 			return `#${ f.length === 0 ? text : text.replace(new RegExp(filter.get()), (part) => `<strong>${ part }</strong>`) }`;
 		};
 	},
+	channelSelector() {
+		return (expression) => ({ name: expression });
+	},
 });
 
 Template.livechatDepartmentForm.events({