message: Calculate the height differently for route fireside page
diff: @@ -118,11 +118,8 @@ const activeBottomBarControl = computed<BottomBarControl | undefined>(() => {
  });
  const routeStatus = computed(() => c.value?.status.value);
  -
  const background = computed(() => c.value?.chatRoom.value?.background);
  -
  const overlayText = computed(() => !!background.value);
  -
  const focusedUserVideoAspectRatio = computed(
  () => c.value?.rtc.value?.focusedUser?.videoAspectRatio
  );
  @@ -588,12 +585,7 @@ $-center-guide-width = 400px
  .route-fireside
  change-bg('bg-offset')
  - position: fixed
  - top: var(--shell-top)
  - bottom: var(--shell-bottom)
  - left: var(--shell-left)
  - right: var(--shell-right)
  - z-index: $zindex-shell-pane-under
  + height: calc(100vh - var(--shell-top) - var(--shell-bottom))
  .-view-blocked
  display: flex
  