A few fixes and improvements
- added stats info(visitors, leads, customers count and revenue generated) on promoters/show API call
- pending payouts that have a negative balance due to refunds can be fixed now by simply clicking on the warning icon - it will adjust the amount to include the latest refunds
- added “copy link” button on referral links for promoters overview page
- fixed “New campaign” button visibility for Business plans and up
- fixed the due date for some payouts. Some of them had the date set one day later
- fixed “Block/ban” button
- fixed navigation menu on mobile view
