Send only the required fields when fetching a readonly view definition

issue11134
review380081002

production.py

@@ -99,7 +99,6 @@ class SplitProductionStart(ModelView):
     uom = fields.Many2One('product.uom', 'Uom', required=True,
         domain=[
             ('category', '=', Eval('uom_category')),
-            ],
-        depends=['uom_category'])
+            ])
     uom_category = fields.Many2One('product.uom.category', 'Uom Category',
         readonly=True)