Release 9.1.2

• deal zero division possibility (#11098)
• [patch] To add healthcare domain (#11105)
• Confirmation desired before cancelling appointment (#10996) (#11106)
• [hotfix] ignore if student email address field value is None (#11116)
• Show total instead of net total
• [Fix] Discount field not displaying in offline POS
• [fix] Online print format in pos profile field not displaying
• [Fix] Auto add item in the cart if sinfle items found in the serach (#11072)
• [Fix] Negative qty issue in POS (#11070)
• [hotfix] Show Make button only for Email communication (#10876)