Use correct id for error message when creating invoice line not draft

Closes #12863
(grafted from b052e8902bb286b6b1d84333e9b2bacd46970384)

--HG--
branch : 7.0

modules/account_invoice/invoice.py

@@ -2705,7 +2705,7 @@ class InvoiceLine(sequence_ordered(), ModelSQL, ModelView, TaxableMixin):
         for invoice in Invoice.browse(list(invoice_ids)):
             if invoice.state != 'draft':
                 raise AccessError(
-                    gettext('account_invoice.msg_invoice_line_create',
+                    gettext('account_invoice.msg_invoice_line_create_draft',
                         invoice=invoice.rec_name))
         return super(InvoiceLine, cls).create(vlist)