Make reactions background use the frosted glass look (#2792)

* Make reactions background use the frosted glass look

* fix spacing if there is raise hand + reaction.

src/tile/MediaView.tsx

@@ -102,7 +102,7 @@ export const MediaView = forwardRef<HTMLDivElement, Props>(
           )}
         </div>
         <div className={styles.fg}>
-          <div style={{ display: "flex" }}>
+          <div style={{ display: "flex", gap: "var(--cpd-space-1x)" }}>
             <RaisedHandIndicator
               raisedHandTime={raisedHandTime}
               miniature={avatarSize < 96}