Move /platform/detection vars into /env (#9707)

* Add platform vars to env

* Replace /platform/detection with /env

src/screens/Signup/StepInfo/index.tsx

@@ -7,7 +7,6 @@ import type tldts from 'tldts'
 
 import {isEmailMaybeInvalid} from '#/lib/strings/email'
 import {logger} from '#/logger'
-import {isNative} from '#/platform/detection'
 import {useSignupContext} from '#/screens/Signup/state'
 import {Policies} from '#/screens/Signup/StepInfo/Policies'
 import {atoms as a, native} from '#/alf'
@@ -31,6 +30,7 @@ import {
   MIN_ACCESS_AGE,
   useAgeAssuranceRegionConfigWithFallback,
 } from '#/ageAssurance/util'
+import {IS_NATIVE} from '#/env'
 import {
   useDeviceGeolocationApi,
   useIsDeviceGeolocationGranted,
@@ -325,7 +325,7 @@ export function StepInfo({
                           </Trans>
                         )}
                       </Admonition.Text>
-                      {isNative &&
+                      {IS_NATIVE &&
                         !isDeviceGeolocationGranted &&
                         isOverAppMinAccessAge && (
                           <Admonition.Text>
@@ -357,7 +357,7 @@ export function StepInfo({
               ) : undefined}
             </View>
 
-            {isNative && (
+            {IS_NATIVE && (
               <DeviceLocationRequestDialog
                 control={locationControl}
                 onLocationAcquired={props => {