API.241022-MINOR

🐛Fix

Invoice Creation 
For issue-based subscriptions with recurring periods, the invoice creation was very irregular. Invoice creation now happens simulataneously to the accounting periods as desired.

Voucher Redemption Issue-Based - Open Deliveries Count
When a voucher for issue-based subscription had been redeemed, the count of open deliveries did not change. This bug was fixed with another fix.