aisman

Session 129, Step 8: Adjust pricing discount admin behavior and complete pending seat increment fix
- AIM-2361 Fix double-counting of seat increment on add-on seat purchase
- AIM-2436 Remove affiliate max-discount restriction from admin pricing discount creation
- AIM-2437 Offer disable-on-delete-failure flow for used discount codes and render disabled label
- AIM-2438 Prevent discount percentage changes once a discount code has been used