Changes to Get Agent Config

added the optional property greeting_style to the response with the 200 status

added the optional property sell_budget to the response with the 200 status

added the optional property campaign_booking_capacity_mode to the response with the 200 status

added the optional property campaign_booking_make_shells to the response with the 200 status

removed the optional property campaign_responder_enabled from the response with the 200 status

added the optional property first_touch_delay to the response with the 200 status

added the optional property campaign_daily_send_ceiling to the response with the 200 status

added the optional property campaign_booking_st_campaign_name to the response with the 200 status