2024-05-16 Update

Managing Director of freispace Enhancements
- Invoicing: Added placeholders for service date and service period end
- Invoicing: Placeholders may now also be used in line item names and text
- Inventory items: Enhanced price input
- Clients: Added currency setting
Bugfixes
- Invoicing: Occasionally, the header or footer text would not appear
- Invoicing: Removing an overall discount/surcharge would not recalculate the total
- Invoicing: Special customer prices would not be applied to invoice
- Inventory items: Fixed sorting by price