Update imports & api-reports

Signed-off-by: Philipp Hugenroth <philipph@spotify.com>

packages/core-components/api-report.md

@@ -8,11 +8,9 @@
 import { ApiRef } from '@backstage/core-plugin-api';
 import { BackstageIdentityApi } from '@backstage/core-plugin-api';
 import { BackstageTheme } from '@backstage/theme';
-import { BottomNavigationActionProps } from '@material-ui/core';
-import { Breadcrumbs as Breadcrumbs_2 } from '@material-ui/core';
-import { ButtonProps } from '@material-ui/core';
-import { ButtonTypeMap } from '@material-ui/core';
-import { CardHeaderProps } from '@material-ui/core';
+import { BottomNavigationActionProps } from '@material-ui/core/BottomNavigationAction';
+import { ButtonProps as ButtonProps_2 } from '@material-ui/core/Button';
+import { CardHeaderProps } from '@material-ui/core/CardHeader';
 import { Column } from '@material-table/core';
 import { ComponentClass } from 'react';
 import { ComponentProps } from 'react';
@@ -784,7 +782,7 @@ export type SelectInputBaseClassKey = 'root' | 'input';
 export function Sidebar({
   children,
   ...props
-}: React_2.PropsWithChildren<Props_21>): JSX.Element;
+}: React_2.PropsWithChildren<Props_18>): JSX.Element;
 
 // Warning: (ae-missing-release-tag) "SIDEBAR_INTRO_LOCAL_STORAGE" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
 //

packages/core-components/src/layout/Sidebar/MobileSidebar.tsx

@@ -15,13 +15,11 @@
  */
 
 import { BackstageTheme } from '@backstage/theme';
-import {
-  BottomNavigation,
-  Box,
-  IconButton,
-  makeStyles,
-  Typography,
-} from '@material-ui/core';
+import BottomNavigation from '@material-ui/core/BottomNavigation';
+import Box from '@material-ui/core/Box';
+import IconButton from '@material-ui/core/IconButton';
+import { makeStyles } from '@material-ui/core/styles';
+import Typography from '@material-ui/core/Typography';
 import CloseIcon from '@material-ui/icons/Close';
 import MenuIcon from '@material-ui/icons/Menu';
 import React, { createContext, useEffect, useState } from 'react';

packages/core-components/src/layout/Sidebar/SidebarGroup.tsx

@@ -16,12 +16,11 @@
  */
 
 import { BackstageTheme } from '@backstage/theme';
-import {
-  BottomNavigationAction,
+import BottomNavigationAction, {
   BottomNavigationActionProps,
-  makeStyles,
-  useMediaQuery,
-} from '@material-ui/core';
+} from '@material-ui/core/BottomNavigationAction';
+import { makeStyles } from '@material-ui/core/styles';
+import useMediaQuery from '@material-ui/core/useMediaQuery';
 import React, { useContext } from 'react';
 import { useLocation } from 'react-router-dom';
 import { Link } from '../../components';