RATIONALE
Events are sometimes held online, gathering a community. In this merge we
improve Event application to better support full-online events with improved
tracks, wishlists, chat rooms, ...
SPECIFICATIONS
Create a new widget that allows us to display toast message on the event
registration frontend page. Its purpose is notably to send a toaster message
to customers when they are redirected to the register page. It will be
used notably when exhibitors are not yet open before an event, to try to
make people register to the event with an explanation.
LINKS
Community PR #53540
Enterprise PR odoo/enterprise#11384
Task ID-2252655 (Main Online Event task)
Task ID-2283796 (Event B2Basics / Registration Flow)
std-odoo
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