* add ptz presets and default role widgets
* language tweaks
* fix width in triggers view
* tweak iOS PWA message in notifications settings
* deprecate ui.date_style and ui.time_style
these have been unused since date/time formatting has been pushed to i18n
* add config migrator to remove date_style and time_style
* remove date_style and time_style from reference config
* fix camera list scrolling in state classification wizard on mobile
