Odoo Release Updates

[IMP] *: Remove the old syntax of t-call

[IMP] frontdesk: improve messages on empty pages

[IMP] frontdesk: allow printing visitor badge during check in stage

[FIX] frontdesk: allow hosts with user access to check out visitors

[FIX] frontdesk: allow hosts with user access to check out their visitors

[FIX] frontdesk: ensure company logo is always displayed on the kiosk

[IMP] frontdesk: improve host selection and notifications

[REM] *: all traces of pytz

[IMP] whatsapp, *: easy local storage field + upgrade

[CLN] *: manifests

[FIX] *: automaticaly set legacy at_install

[IMP] resource: refactor working schedule

[REF] all: model's description should be singular