message: shout more for unknown devices, but keep the tooltip
diff: @@ -368,8 +368,8 @@ div.mx_EventTile_notSent.mx_EventTile_redacted .mx_UnknownBody {
  }
  .mx_EventTile_e2eIcon_unknown {
  - background-image: url('$(res)/img/e2e/normal.svg');
  - opacity: 0.5;
  + background-image: url('$(res)/img/e2e/warning.svg');
  + opacity: 1;
  }
  .mx_EventTile_e2eIcon_unencrypted {
  