message: PanelHeader: fix Icon--28
diff: padding-right: 12px;
  }
  + .PanelHeader--ios .PanelHeader-right .HeaderButton .Icon--28 {
  + padding-right: 12px;
  + }
  +
  .PanelHeader--ios .PanelHeader-right .HeaderButton > *:not(.Icon) {
  padding-right: 16px;
  }
  