Fix typos, improve localization and unify separators (#2502)

* Correct a typing error in `FeedItem.tsx` and replace the middle dot in `Drawer.tsx` with a bullet.

* Bullet to middle dot

* `liked your custom feed{0}` to `liked your custom feed {0}`

* Revert "`liked your custom feed{0}` to `liked your custom feed {0}`"

This reverts commit 43ae67bd03.

* Update FeedItem.tsx

* Update country-codes.ts

src/view/com/post-thread/PostThreadItem.tsx

@@ -706,7 +706,7 @@ function ExpandedPostDetails({
       <Text style={pal.textLight}>{niceDate(post.indexedAt)}</Text>
       {needsTranslation && (
         <>
-          <Text style={[pal.textLight, s.ml5, s.mr5]}>•</Text>
+          <Text style={pal.textLight}> &middot; </Text>
           <Link href={translatorUrl} title={_(msg`Translate`)}>
             <Text style={pal.link}>
               <Trans>Translate</Trans>