Chore: Events Cleanup (#739)

* Chore: Events Cleanup

- fix failing tests
- add additional webhook events
- clean up event logic

* Fix conversation status update in action cable

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/models/message.rb

@@ -139,10 +139,7 @@ class Message < ApplicationRecord
   end
 
   def reopen_conversation
-    if incoming? && conversation.resolved?
-      conversation.toggle_status
-      Rails.configuration.dispatcher.dispatch(CONVERSATION_REOPENED, Time.zone.now, conversation: conversation)
-    end
+    conversation.open! if incoming? && conversation.resolved?
   end
 
   def execute_message_template_hooks