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

* Add platform vars to env

* Replace /platform/detection with /env

src/components/StarterPack/ShareDialog.tsx

@@ -8,7 +8,6 @@ import {useSaveImageToMediaLibrary} from '#/lib/media/save-image'
 import {shareUrl} from '#/lib/sharing'
 import {getStarterPackOgCard} from '#/lib/strings/starter-pack'
 import {logger} from '#/logger'
-import {isNative, isWeb} from '#/platform/detection'
 import {atoms as a, useBreakpoints, useTheme} from '#/alf'
 import {Button, ButtonIcon, ButtonText} from '#/components/Button'
 import {type DialogControlProps} from '#/components/Dialog'
@@ -18,6 +17,7 @@ import {Download_Stroke2_Corner0_Rounded as DownloadIcon} from '#/components/ico
 import {QrCode_Stroke2_Corner0_Rounded as QrCodeIcon} from '#/components/icons/QrCode'
 import {Loader} from '#/components/Loader'
 import {Text} from '#/components/Typography'
+import {IS_NATIVE, IS_WEB} from '#/env'
 
 interface Props {
   starterPack: AppBskyGraphDefs.StarterPackView
@@ -110,13 +110,17 @@ function ShareDialogInner({
                 ],
               ]}>
               <Button
-                label={isWeb ? _(msg`Copy link`) : _(msg`Share link`)}
+                label={IS_WEB ? _(msg`Copy link`) : _(msg`Share link`)}
                 color="primary_subtle"
                 size="large"
                 onPress={onShareLink}>
                 <ButtonIcon icon={ChainLinkIcon} />
                 <ButtonText>
-                  {isWeb ? <Trans>Copy Link</Trans> : <Trans>Share link</Trans>}
+                  {IS_WEB ? (
+                    <Trans>Copy Link</Trans>
+                  ) : (
+                    <Trans>Share link</Trans>
+                  )}
                 </ButtonText>
               </Button>
               <Button
@@ -133,7 +137,7 @@ function ShareDialogInner({
                   <Trans>Share QR code</Trans>
                 </ButtonText>
               </Button>
-              {isNative && (
+              {IS_NATIVE && (
                 <Button
                   label={_(msg`Save image`)}
                   color="secondary"