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

* Add platform vars to env

* Replace /platform/detection with /env

src/screens/StarterPack/StarterPackLandingScreen.tsx

@@ -11,12 +11,11 @@ import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
 import {msg, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
 
-import {isAndroidWeb} from '#/lib/browser'
+import {IS_ANDROIDWeb} from '#/lib/browser'
 import {JOINED_THIS_WEEK} from '#/lib/constants'
 import {useWebMediaQueries} from '#/lib/hooks/useWebMediaQueries'
 import {logEvent} from '#/lib/statsig/statsig'
 import {createStarterPackGooglePlayUri} from '#/lib/strings/starter-pack'
-import {isWeb} from '#/platform/detection'
 import {useModerationOpts} from '#/state/preferences/moderation-opts'
 import {useStarterPackQuery} from '#/state/queries/starter-packs'
 import {
@@ -38,6 +37,7 @@ import {Default as ProfileCard} from '#/components/ProfileCard'
 import * as Prompt from '#/components/Prompt'
 import {RichText} from '#/components/RichText'
 import {Text} from '#/components/Typography'
+import {IS_WEB} from '#/env'
 import * as bsky from '#/types/bsky'
 
 const AnimatedPressable = Animated.createAnimatedComponent(Pressable)
@@ -142,7 +142,7 @@ function LandingScreenLoaded({
       postAppClipMessage({
         action: 'present',
       })
-    } else if (isAndroidWeb) {
+    } else if (IS_ANDROIDWeb) {
       androidDialogControl.open()
     } else {
       onContinue()
@@ -359,7 +359,7 @@ function LandingScreenLoaded({
           />
         </Prompt.Actions>
       </Prompt.Outer>
-      {isWeb && (
+      {IS_WEB && (
         <meta
           name="apple-itunes-app"
           content="app-id=xyz.blueskyweb.app, app-clip-bundle-id=xyz.blueskyweb.app.AppClip, app-clip-display=card"