[FIX] web: typo calendar highlight -> ok now

Adapt calendar highlight option (that "highlight" event linked to the
record we come from) to current JS framework data structures.

opw-2131494
closes #40791

closes odoo/odoo#40811

X-original-commit: 9aaccd1a
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>