* bootstrap 5 compatibility * other Converse updates integration * hack to get the sidebar work as with Converse v10. * modal onHide was renamed close. * fix slow mode infobox margin. * fix margin * shorter action label, for better dropdown UX.
* various WIP to change the Converse version
* fix frontend: modal must be destroyed on hide
* front-end: translate the form fields labels
* backend form declaration * frontend form dialog
