Handle birth dates as UTC, handle locale formatting (#2363)

* Enforce UTC for birthdate picker

* Handle locales

* Remove log

* Add a second snap point to the date input in case text is zoomed

* Guard against bad dates

* Log message

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/view/com/modals/BirthDateSettings.tsx

@@ -23,7 +23,7 @@ import {
 } from '#/state/queries/preferences'
 import {logger} from '#/logger'
 
-export const snapPoints = ['50%']
+export const snapPoints = ['50%', '90%']
 
 function Inner({preferences}: {preferences: UsePreferencesQueryResponse}) {
   const pal = usePalette('default')
@@ -63,6 +63,7 @@ function Inner({preferences}: {preferences: UsePreferencesQueryResponse}) {
 
       <View>
         <DateInput
+          handleAsUTC
           testID="birthdayInput"
           value={date}
           onChange={setDate}