message: ModalRoot: imitate native full page modal dragging behaviour
diff: .ModalPageHeader--vkcom .ModalPageHeader__in {
  height: var(--panelheader_height_vkcom);
  justify-content: space-between;
  - padding: 0 2px;
  + padding: 0 8px;
  }
  .ModalPageHeader--vkcom .ModalPageHeader__left,
  