Tweaks (#23367)

* 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

web/public/locales/en/config/cameras.json

@@ -682,7 +682,7 @@
   },
   "timestamp_style": {
     "label": "Timestamp style",
-    "description": "Styling options for in-feed timestamps applied to recordings and snapshots.",
+    "description": "Styling options for timestamps applied to snapshots and Debug view.",
     "position": {
       "label": "Timestamp position",
       "description": "Position of the timestamp on the image (tl/tr/bl/br)."