[FIX] stock: avoid non-deterministic order for location

Stock.location is ordered by "complete_name" which is possible to be the
same (i.e. default production locations for different companies). This
may result non-deterministic order. Add "id" to avoid it.

closes odoo/odoo#79135

Signed-off-by: William Henrotin (whe) <whe@odoo.com>

addons/stock/models/stock_location.py

@@ -15,7 +15,7 @@ class Location(models.Model):
     _description = "Inventory Locations"
     _parent_name = "location_id"
     _parent_store = True
-    _order = 'complete_name'
+    _order = 'complete_name, id'
     _rec_name = 'complete_name'
     _check_company_auto = True