fix: Add available_name as method in captain_assistant (#11502)

Fixes
https://linear.app/chatwoot/issue/CW-4366/actionviewtemplateerror-undefined-method-available-name-for-an

app/javascript/dashboard/components-next/captain/pageComponents/assistant/EditAssistantForm.vue

@@ -100,7 +100,10 @@ const handleBasicInfoUpdate = async () => {
   const payload = {
     name: state.name,
     description: state.description,
-    product_name: state.productName,
+    config: {
+      ...props.assistant.config,
+      product_name: state.productName,
+    },
   };
 
   emit('submit', payload);

enterprise/app/models/captain/assistant.rb

@@ -38,6 +38,10 @@ class Captain::Assistant < ApplicationRecord
 
   scope :for_account, ->(account_id) { where(account_id: account_id) }
 
+  def available_name
+    name
+  end
+
   def push_event_data
     {
       id: id,