message: Fix occasional 1px bottom backdrop bleed in MediaItemPost
diff: <app-responsive-dimensions
  class="-item-media"
  :class="{
  - '-ssr': GJ_IS_SSR,
  '-filled': isFilled,
  }"
  :ratio="mediaItem.width / mediaItem.height"
  .-backdrop
  change-bg('bg-offset')
  -// The "item" gets the correct dimensions applied, so we want to stretch
  -// out any image or video in the item to be full width/height.
  +// Set the width to be what AppResponsiveDimensions gives us,
  +// so we don't overflow past what it sets.
  .-img, .-video
  - display: block
  - width: inherit
  - margin-left: auto
  - margin-right: auto
  - position: absolute
  - top: 0
  - right: 0
  - bottom: 0
  - left: 0
  - overflow: hidden
  -
  - // For SSR responsive-dimensions component doesn't work, so we want
  - // to instead just try showing the media however the browser would
  - // show it.
  - .-ssr &
  - position: static
  width: 100%
  </style>
  