add unreadMessages in the response

Author: fernandeshenrique15

src/api/services/channel.service.ts

@@ -738,6 +738,7 @@ export class ChannelStartupService {
           "Chat"."name" as "pushName",
           "Chat"."createdAt" as "windowStart",
           "Chat"."createdAt" + INTERVAL '24 hours' as "windowExpires",
+          "Chat"."unreadMessages" as "unreadMessages",
           CASE WHEN "Chat"."createdAt" + INTERVAL '24 hours' > NOW() THEN true ELSE false END as "windowActive",
           "Message"."id" AS lastMessageId,
           "Message"."key" AS lastMessage_key,
@@ -797,7 +798,7 @@ export class ChannelStartupService {
           windowExpires: contact.windowexpires,
           windowActive: contact.windowactive,
           lastMessage: lastMessage ? this.cleanMessageData(lastMessage) : undefined,
-          unreadCount: 0,
+          unreadCount: contact.unreadMessages,
           isSaved: !!contact.contactid,
         };
       });