message: make sure og aspect ratio thumbnails dont go taller than 50vh
diff: +:root {
  + --btd-max-og-ratio-height: 50vh;
  +}
  +
  .media-size-medium.btd-aspect-ratio-thumbnail,
  .media-size-large.btd-aspect-ratio-thumbnail {
  height: 0 !important;
  - padding-top: calc(var(--btd-thumb-height) / var(--btd-thumb-width) * 100%);
  + padding-top: min(var(--btd-max-og-ratio-height), calc(var(--btd-thumb-height) / var(--btd-thumb-width) * 100%));
  }
  