message: set focus and select text input
diff: @@ -88,10 +88,14 @@ const DraggableSidebarItem = ({
  };
  const [validValue, setValidValue] = React.useState<string>(page ? page.title:"");
  -
  - /*React.useEffect(() => {
  - if (page && page.isValidTitle) setValidValue(page.title);
  - },[page ? page.title:""]);*/
  + let inputRef = React.createRef<HTMLInputElement>();
  + React.useEffect(() => {
  + if (idx === totalCount){
  + const node = inputRef.current!
  + node.focus();
  + node.select();
  + }
  + },[idx,totalCount]);
  return (
  <div>
  @@ -150,7 +154,7 @@ const DraggableSidebarItem = ({
  }
  if (page.isValidTitle) setValidValue(page.title);
  }}
  - ref={page.ref}
  + ref={inputRef}
  />
  ) : (
  <input
  