[Neue] Buttons (#5406)

* Re-align button sizing

(cherry picked from commit bcec243bb59dfe468313d98ba61f464d9750feec)

* Use large, small, tiny

(cherry picked from commit 1dc333c2993ab7f2e0ac750c0670dcec9a7069d0)

* Tweaks

src/screens/Home/NoFeedsPinned.tsx

@@ -91,7 +91,7 @@ export function NoFeedsPinned({
           <Button
             disabled={isPending}
             label={_(msg`Apply default recommended feeds`)}
-            size="medium"
+            size="large"
             variant="solid"
             color="primary"
             onPress={addRecommendedFeeds}>
@@ -102,7 +102,7 @@ export function NoFeedsPinned({
           <Link
             label={_(msg`Browse other feeds`)}
             to="/feeds"
-            size="medium"
+            size="large"
             variant="solid"
             color="secondary">
             <ButtonIcon icon={ListSparkle} position="left" />