refactor: update material ui imports

Signed-off-by: Timothy Deakin <cftad@protonmail.com>

plugins/adr/src/components/EntityAdrContent/EntityAdrContent.tsx

@@ -41,19 +41,16 @@ import {
   useEntity,
   MissingAnnotationEmptyState,
 } from '@backstage/plugin-catalog-react';
-import {
-  Box,
-  Chip,
-  Collapse,
-  Grid,
-  List,
-  ListItem,
-  ListItemIcon,
-  ListItemText,
-  makeStyles,
-  Theme,
-  Typography,
-} from '@material-ui/core';
+import Box from '@material-ui/core/Box';
+import Chip from '@material-ui/core/Chip';
+import Collapse from '@material-ui/core/Collapse';
+import Grid from '@material-ui/core/Grid';
+import List from '@material-ui/core/List';
+import ListItem from '@material-ui/core/ListItem';
+import ListItemIcon from '@material-ui/core/ListItemIcon';
+import ListItemText from '@material-ui/core/ListItemText';
+import Typography from '@material-ui/core/Typography';
+import { makeStyles, Theme } from '@material-ui/core/styles';
 import ExpandLess from '@material-ui/icons/ExpandLess';
 import ExpandMore from '@material-ui/icons/ExpandMore';
 import FolderIcon from '@material-ui/icons/Folder';

plugins/adr/src/search/AdrSearchResultListItem.tsx

@@ -15,13 +15,11 @@
  */
 
 import React, { ReactNode } from 'react';
-import {
-  Box,
-  Chip,
-  ListItemIcon,
-  ListItemText,
-  makeStyles,
-} from '@material-ui/core';
+import Box from '@material-ui/core/Box';
+import Chip from '@material-ui/core/Chip';
+import ListItemIcon from '@material-ui/core/ListItemIcon';
+import ListItemText from '@material-ui/core/ListItemText';
+import { makeStyles } from '@material-ui/core/styles';
 import Typography from '@material-ui/core/Typography';
 import { parseEntityRef } from '@backstage/catalog-model';
 import { Link } from '@backstage/core-components';