message: fix(aio): fix SideNav height on narrow screens
  Since we specify `bottom: 0`, specifying the height is unnecessary and
  leads to wrong height (unless updated) on narrow screens where the
  topbar height is decreased.
  Partly addresses
  PR Close
diff: @@ -35,7 +35,6 @@ mat-sidenav.mat-sidenav.sidenav {
  min-width: 260px;
  background-color: $offwhite;
  box-shadow: 6px 0 6px rgba(0,0,0,0.10);
  - height: calc(100vh - 64px);
  &.collapsed {
  top: 56px;
  