[FIX] mrp_subcontracting: correct type for view registry

When the action is called by a javascript function the view
is not correctly rendered because the tree type does not exist
in the registry but the correct type is list.

addons/mrp_subcontracting/models/stock_move.py

@@ -88,7 +88,7 @@ class StockMove(models.Model):
             'name': _('Raw Materials for %s') % (self.product_id.display_name),
             'type': 'ir.actions.act_window',
             'res_model': 'stock.move',
-            'views': [(tree_view.id, 'tree'), (form_view.id, 'form')],
+            'views': [(tree_view.id, 'list'), (form_view.id, 'form')],
             'target': 'current',
             'domain': [('id', 'in', moves.ids)],
         }