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/posts/FeedItem.tsx

@@ -205,7 +205,7 @@ let FeedItemInner = ({
               title={_(
                 msg`Reposted by ${sanitizeDisplayName(
                   reason.by.displayName || reason.by.handle,
-                )})`,
+                )}`,
               )}>
               <FontAwesomeIcon
                 icon="retweet"