chore: Add open conversation option (#11828)

Added conversation_status, assignee_id, team_id, and priority to the
message_created event to allow users to build automations based on
conversation details. Also introduced a new open_conversation action.

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Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/helper/validations.js

@@ -126,6 +126,7 @@ const validateSingleAction = action => {
     'snooze_conversation',
     'resolve_conversation',
     'remove_assigned_team',
+    'open_conversation',
   ];
 
   if (