chore: Sentry issues (#4623)

Fixes various issues reported on sentry

- Twilio channel creation validation errors
- Room Channel error with nil class
- Webhook Uri exception

app/finders/message_finder.rb

@@ -22,7 +22,7 @@ class MessageFinder
 
   def current_messages
     if @params[:before].present?
-      messages.reorder('created_at desc').where('id < ?', @params[:before]).limit(20).reverse
+      messages.reorder('created_at desc').where('id < ?', @params[:before].to_i).limit(20).reverse
     else
       messages.reorder('created_at desc').limit(20).reverse
     end