[FIX] l10n_de_stock: bad forward port

Following
https://github.com/odoo/odoo/commit/bdcb3d192be1e01e1141aa09c60027337009a67b

closes odoo/odoo#72900

X-original-commit: cd0584b1b272c7b0ad6d61d099c8b42bd83d4df0
Signed-off-by: Quentin De Paoli (qdp) <qdp@openerp.com>

addons/l10n_de_stock/models/stock.py

@@ -2,13 +2,17 @@ from odoo import models, fields, _
 from odoo.tools import format_date
 
 
-class StockInventory(models.Model):
-    _inherit = 'stock.inventory'
+class StockPicking(models.Model):
+    _inherit = 'stock.picking'
 
     l10n_de_template_data = fields.Binary(compute='_compute_l10n_de_template_data')
 
     def _compute_l10n_de_template_data(self):
         for record in self:
             record.l10n_de_template_data = data = []
-            if record.date:
-                data.append((_("Date"), format_date(self.env, record.date)))
+            if record.origin:
+                data.append((_("Order"), record.origin))
+            if record.state == 'done':
+                data.append((_("Shipping Date"), format_date(self.env, record.date_done)))
+            else:
+                data.append((_("Shipping Date"), format_date(self.env, record.scheduled_date)))