[IMP] calendar: sidebar filters: disable filters if active partner
[IMP] calendar: sidebar filters: disable filters if active partner

When loading a calendar view with a partner_id in the context, the sidebar's
filters should be disabled by default to only display events related to that
partner.

ygol/odoo,dfang/odoo,hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,hip-odoo/odoo,dfang/odoo,ygol/odoo,ygol/odoo,dfang/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,ygol/odoo,ygol/odoo