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/view/com/composer/photos/ImageAltTextDialog.tsx

@@ -89,7 +89,7 @@ const ImageAltTextInner = ({
       <Dialog.Close />
 
       <View>
-        <Text style={[a.text_2xl, a.font_bold, a.leading_tight, a.pb_sm]}>
+        <Text style={[a.text_2xl, a.font_semi_bold, a.leading_tight, a.pb_sm]}>
           <Trans>Add alt text</Trans>
         </Text>