Migrate to @bsky.app/alf package (#9030)

* Add storybook shortcut in dev

* Migrate to alg pkg

* Migrate font_bold to new font_semi_bold

* Migrate font_heavy to font_bold

* Fix old theme refs

* Remove leading util

* Bump

* Revert "Add storybook shortcut in dev"

This reverts commit 7a86195c77fb5d449c7782e64ebabb6addfab919.

* Remove alf script

* Adjust font scale

* Bump

* Bump pkg

* Migrate values from conflicts

* Create default themes outside react

* Use built-in alf utils

* Migrate old font styles

* Remove unused tokens

* Move theme creation to more appropriate file

* Update button colors

* Adjust TextField colors, line heights

src/screens/PostThread/components/ThreadItemPost.tsx

@@ -106,7 +106,8 @@ function ThreadItemPostDeleted({
           ]}>
           <TrashIcon style={[t.atoms.text_contrast_medium]} />
         </View>
-        <Text style={[a.text_md, a.font_bold, t.atoms.text_contrast_medium]}>
+        <Text
+          style={[a.text_md, a.font_semi_bold, t.atoms.text_contrast_medium]}>
           <Trans>Post has been deleted</Trans>
         </Text>
       </View>