stock_usability: clean-up zero-qty quants when opening quants from stock.location

When accessing stock.move.line from the show reservation on quants, in
the form view of stock.move.line, have a link to the picking

stock_usability/models/stock_quant.py

@@ -24,5 +24,5 @@ class StockQuant(models.Model):
             ('package_id', '=', self.package_id.id or False),
             ('result_package_id', '=', self.package_id.id or False),
         ]
-        action['context'] = {'create': 0}
+        action['context'] = {'create': 0, 'stock_move_line_main_view': True}
         return action