[FIX] repair: Missing method implementation in wizard

This commit add the implementation of `_get_reference_document_company_id`
for the `stock.warn.insufficient.qty.repair` wizard.

closes odoo/odoo#36792

Taskid: BugsLogistics
Signed-off-by: Simon Lejeune (sle) <sle@openerp.com>

addons/repair/wizard/stock_warn_insufficient_qty.py

@@ -10,6 +10,9 @@ class StockWarnInsufficientQtyRepair(models.TransientModel):
 
     repair_id = fields.Many2one('repair.order', string='Repair')
 
+    def _get_reference_document_company_id(self):
+        return self.repair_id.company_id
+
     def action_done(self):
         self.ensure_one()
         return self.repair_id.action_repair_confirm()