fix: bot handoff should set waiting time (#13417)

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

enterprise/app/jobs/captain/conversation/response_builder_job.rb

@@ -42,10 +42,10 @@ class Captain::Conversation::ResponseBuilderJob < ApplicationJob
   end
 
   def process_response
-    ActiveRecord::Base.transaction do
-      if handoff_requested?
-        process_action('handoff')
-      else
+    if handoff_requested?
+      process_action('handoff')
+    else
+      ActiveRecord::Base.transaction do
         create_messages
         Rails.logger.info("[CAPTAIN][ResponseBuilderJob] Incrementing response usage for #{account.id}")
         account.increment_response_usage