feat: show ReplyTo in widget UI (#8094)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

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

@@ -79,6 +79,9 @@ class Api::V1::Widget::BaseController < ApplicationController
       sender: @contact,
       content: permitted_params[:message][:content],
       inbox_id: conversation.inbox_id,
+      content_attributes: {
+        in_reply_to: permitted_params[:message][:reply_to]
+      },
       echo_id: permitted_params[:message][:echo_id],
       message_type: :incoming
     }