Previously, the dashboard action needed two RPC calls to be ready: 1. load the dashboard groups (with the dashboards ids in the groups) 2. load the dashboard display names Now, with the new `web_sear_read` we can load both at the same time, saving one http request. closes odoo/odoo#134984 Signed-off-by: Vincent Schippefilt (vsc) <vsc@odoo.com>