message: Replace dark theme's $authpage-primary-color
  Use `$primary-content` instead of `$text-primary-color`.
diff: @@ -185,7 +185,7 @@ $visual-bell-bg-color: #800;
  $room-warning-bg-color: $header-panel-bg-color;
  $authpage-body-bg-color: $background;
  -$authpage-primary-color: $text-primary-color;
  +$authpage-primary-color: $primary-content;
  $dark-panel-bg-color: $header-panel-bg-color;
  $panel-gradient: rgba(34, 38, 46, 0), rgba(34, 38, 46, 1);
  