chore: Sidebar icons for new inboxes (#3016)

- Sidebar icons for line and telegram inboxes
- Sentry fix for contact IP lookup job

app/javascript/shared/mixins/inboxMixin.js

@@ -5,6 +5,7 @@ export const INBOX_TYPES = {
   TWILIO: 'Channel::TwilioSms',
   API: 'Channel::Api',
   EMAIL: 'Channel::Email',
+  TELEGRAM: 'Channel::Telegram',
   LINE: 'Channel::Line',
 };