[16.0]sequence number initialized on invoice in draft

[AurelienSoulierSpring]

module: account_move_name_sequence
version: 16.0

Steps to reproduce
Create a new journal for customer invoices and set your own sequence
Create an invoice on this journal, the name of the invoice is initialized with the V16 way not with the sequence defined
Confirm the invoice, the invoice number is changed to take into consideration the correct sequence

Create an invoice on this journal, the name of the invoice is initialized with the V16 way not with the sequence defined and with a number '1'.

Current behavior
The name of the invoice is initialized when the invoice is in draft.

Expected behavior
No name of the invoice when in draft.
Name of the invoice is set at confirmation.