message: fix: remove restrictions for a ModalPageHeader height
diff: }
  .ModalPage--ios .ModalPage__in {
  - padding-top: var(--modalheader_height_ios);
  border-radius: 14px 14px 0 0;
  }
  .ModalPage--android .ModalPage__in {
  - padding-top: var(--modalheader_height_android);
  border-radius: 12px 12px 0 0;
  }
  }
  .ModalPage__header {
  - position: absolute;
  - top: 0;
  - left: 0;
  width: 100%;
  }
  