Unify label pills (#4676)

* New label pills

* Fix type errors, add default case

* Remove negative margin, only works in some places

* Fix alignment edge case

* Add a bit of padding

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>

src/components/dms/MessagesListHeader.tsx

@@ -214,7 +214,7 @@ function HeaderReady({
         ]}>
         <PostAlerts
           modui={moderation.ui('contentList')}
-          size="large"
+          size="lg"
           style={[a.pt_xs]}
         />
       </View>