Fix focused background color of direct toots (#5642)

app/javascript/styles/mastodon/components.scss

@@ -612,7 +612,7 @@
     outline: 0;
     background: lighten($ui-base-color, 4%);
 
-    &.status-direct {
+    .status.status-direct {
       background: lighten($ui-base-color, 12%);
     }