message: Restore previous redacted message look in dark theme
diff: @@ -103,6 +103,10 @@ $panel-divider-color: $header-panel-border-color;
  $widget-menu-bar-bg-color: $search-bg-color;
  +// event redaction
  +$event-redacted-fg-color: #606060;
  +$event-redacted-border-color: #000000;
  +
  // event timestamp
  $event-timestamp-color: $text-secondary-color;
  