[FIX] l10n_latam_invoice_document: Add credit note to invoice

Issue

    - Install "l10n_latam_invoice_document"
    - Try to add a credit note to any invoice

Cause

    "l10n_latam_manual_document_number" is unitialized when
    "l10n_latam_use_documents" is equal to False

Solution

    Init "l10n_latam_manual_document_number" to False

opw-2366298

closes odoo/odoo#60653

X-original-commit: 6b5f40f4310f02204d98c58d45f92a27c7fad7c1
Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>

addons/l10n_latam_invoice_document/wizards/account_move_reversal.py

@@ -15,6 +15,7 @@ class AccountMoveReversal(models.TransientModel):
 
     @api.depends('l10n_latam_document_type_id')
     def _compute_l10n_latam_manual_document_number(self):
+        self.l10n_latam_manual_document_number = False
         for rec in self.filtered('move_ids'):
             move = rec.move_ids[0]
             if move.journal_id and move.journal_id.l10n_latam_use_documents: