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/VideoEmbedInner/VideoEmbedInnerWeb.tsx

@@ -78,7 +78,7 @@ export function VideoEmbedInnerWeb({
   }, [embed.playlist])
 
   return (
-    <View style={[a.flex_1, a.rounded_sm, a.overflow_hidden]}>
+    <View style={[a.flex_1, a.rounded_md, a.overflow_hidden]}>
       <div ref={containerRef} style={{height: '100%', width: '100%'}}>
         <figure style={{margin: 0, position: 'absolute', inset: 0}}>
           <video