Increase rounding for all embeds (#5421)

* tweak image styles

* fix reply image preview and covert to atoms

* increase rounding on media inset border

* decrease gap on desktop

* fix inset styles

* increase rounding on embeds to `md`

* Couple edge cases

---------

Co-authored-by: Eric Bailey <git@esb.lol>

src/view/com/util/post-embeds/VideoEmbed.tsx

@@ -40,11 +40,11 @@ export function VideoEmbed({embed}: Props) {
     <View
       style={[
         a.w_full,
-        a.rounded_sm,
+        a.rounded_md,
         a.overflow_hidden,
         {aspectRatio},
         {backgroundColor: 'black'},
-        a.my_xs,
+        a.mt_xs,
       ]}>
       <ErrorBoundary renderError={renderError} key={key}>
         <InnerWrapper embed={embed} />