I have added a column in the stock.picking tree view (Inventory overview) with the dropship 'destination customer'.

            <xpathexpr="//field[@name='partner_id']"position="after">                <fieldname="is_dropship"invisible="1"/>                       <fieldname="dropship_destination_id"                options="{'no_create': True}"                string="Dropship to"                optional="show"                attrs="{'invisible':[('is_dropship', '=', False)]}"/>            xpath>

I would like to show this field (column) only in the tree views for 'Operation Type: Dropship'. 

So when this filter is present: