message: refactor: No-hack root transitions
diff: position: relative;
  }
  -.Root--transition .Root__view:not(.Root__view--hide-forward) {
  +.Root--transition .Root__view {
  position: fixed;
  left: 0;
  top: 0;
  -}
  -
  -.Root--transition .Root__view:not(.Root__view--hide-forward) .View__panel {
  overflow: hidden;
  }
  