[REF] *: use LegacyComponent

This commit replaces Component by LegacyComponent when the component
uses removed features from owl 1 like getting its `el` or `trigger` an event.
It also adds `useService("rpc")` when component needs it.

closes odoo/odoo#85389

Related: odoo/enterprise#24745
Signed-off-by: Géry Debongnie <ged@odoo.com>