[FIX] web: BS4, restore calendar view's sidebar filters checkbox
[FIX] web: BS4, restore calendar view's sidebar filters checkbox

Currently cross sign not appearing inline to checkbox while hovering
sidebar filters and checkbox tick/untick not working properly.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo