message: EmptyState: remove unused CircularProgress
diff: import React from "react";
  import Div100vh from "react-div-100vh";
  -import {
  - makeStyles,
  - createStyles,
  - Grid,
  - CircularProgress,
  - Typography,
  -} from "@material-ui/core";
  +import { makeStyles, createStyles, Grid, Typography } from "@material-ui/core";
  import ErrorIcon from "@material-ui/icons/Error";
  const useStyles = makeStyles(theme =>
  