message: anchor poper to bottom left
diff: @@ -198,11 +198,15 @@ const ColumnEditor = (props: any) => {
  id={`id-${column.name}`}
  open={!!anchorEl}
  anchorEl={anchorEl}
  + placement={"bottom-end"}
  transition
  >
  {({ TransitionProps }) => (
  <Fade {...TransitionProps} timeout={350}>
  - <Paper className={classes.container}>
  + <Paper
  + className={classes.container}
  + style={{ minWidth: column.width ? column.width - 20 : 200 }}
  + >
  <Grid container direction="column">
  {/*
  // TODO: functional flags
  