[FIX] stock_account: AML date

The a product valuation is real-time, the date used is the scheduled
date of the move, not the actual move processing date. This is because
the date is updated on the move after the AML creation.

opw-671372
Fixes #11228

addons/stock_account/stock_account.py

@@ -337,7 +337,7 @@ class stock_quant(osv.osv):
         move_obj = self.pool.get('account.move')
         for cost, qty in quant_cost_qty.items():
             move_lines = self._prepare_account_move_line(cr, uid, move, qty, cost, credit_account_id, debit_account_id, context=context)
-            date = context.get('force_period_date', move.date)
+            date = context.get('force_period_date', fields.date.context_today(self, cr, uid, context=context))
             new_move = move_obj.create(cr, uid, {'journal_id': journal_id,
                                       'line_ids': move_lines,
                                       'date': date,