Invoices: Show a different modal for zero amount invoices

**Invoices: Show a different modal for zero amount invoices | Clixio Changelog**

• Recently we enabled issuing Invoices with zero amount. We’ve done a couple of enhancements on the same
• When sending zero amount invoices, collecting email and contact details of payee as well as autopay information (in case of recurring invoice is not required). We decided to create a separate modal with just the payee information for zero amount invoice
• For zero amount invoice, we earlier disabled record payment option. However, we have opened it up with just a single Record Payment Manual option for the customer who would like to put in notes or any other information while creating such an invoice