feat: do not send contact details to the widget (#9223)

* refactor: use has_email instead of email

* feat: remove usage of details directly in forms

* test: update payload

* test: fix transcript test

* refactor: use computed hasEmail

---------

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

app/controllers/api/v1/widget/conversations_controller.rb

@@ -33,10 +33,10 @@ class Api::V1::Widget::ConversationsController < Api::V1::Widget::BaseController
   end
 
   def transcript
-    if permitted_params[:email].present? && conversation.present?
+    if conversation.present? && conversation.contact.present? && conversation.contact.email.present?
       ConversationReplyMailer.with(account: conversation.account).conversation_transcript(
         conversation,
-        permitted_params[:email]
+        conversation.contact.email
       )&.deliver_later
     end
     head :ok