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/alf/util/themeSelector.ts

@@ -1,14 +1,3 @@
-import {type ThemeName} from '#/alf/types'
+import {utils} from '@bsky.app/alf'
 
-export function select<T>(name: ThemeName, options: Record<ThemeName, T>) {
-  switch (name) {
-    case 'light':
-      return options.light
-    case 'dark':
-      return options.dark || options.dim
-    case 'dim':
-      return options.dim || options.dark
-    default:
-      throw new Error(`select(theme, options) received unknown theme ${name}`)
-  }
-}
+export const select = utils.select