chore(material-ui): Remove more top-level @material-ui imports

Signed-off-by: Łukasz Jernaś <lukasz.jernas@allegro.com>

packages/app/src/components/Root/LogoIcon.jsx

@@ -17,7 +17,7 @@
 // NOTE: This file is intentionally .jsx, so that there is one file in this repo where we make sure .jsx files work.
 
 import React from 'react';
-import { makeStyles } from '@material-ui/core';
+import { makeStyles } from '@material-ui/core/styles';
 
 const useStyles = makeStyles({
   svg: {

packages/app/src/components/advancedSettings/AdvancedSettings.tsx

@@ -16,14 +16,12 @@
 
 import React from 'react';
 import { InfoCard } from '@backstage/core-components';
-import {
-  List,
-  Grid,
-  ListItem,
-  ListItemText,
-  ListItemSecondaryAction,
-  Switch,
-} from '@material-ui/core';
+import List from '@material-ui/core/List';
+import Grid from '@material-ui/core/Grid';
+import ListItem from '@material-ui/core/ListItem';
+import ListItemText from '@material-ui/core/ListItemText';
+import ListItemSecondaryAction from '@material-ui/core/ListItemSecondaryAction';
+import Switch from '@material-ui/core/Switch';
 import useLocalStorage from 'react-use/esm/useLocalStorage';
 
 export function AdvancedSettings() {

packages/app/src/components/catalog/EntityPage.tsx

@@ -70,7 +70,8 @@ import {
   EntityOwnershipCard,
   EntityUserProfileCard,
 } from '@backstage/plugin-org';
-import { Button, Grid } from '@material-ui/core';
+import Button from '@material-ui/core/Button';
+import Grid from '@material-ui/core/Grid';
 import React, { ReactNode } from 'react';
 import { TechDocsAddons } from '@backstage/plugin-techdocs-react';
 import {

packages/app/src/components/home/templates/DefaultTemplate.stories.tsx

@@ -37,7 +37,8 @@ import {
   searchApiRef,
   SearchContextProvider,
 } from '@backstage/plugin-search-react';
-import { Grid, makeStyles } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
+import { makeStyles } from '@material-ui/core/styles';
 import React, { ComponentType, PropsWithChildren } from 'react';
 
 const entities = [
@@ -126,8 +127,8 @@ const useStyles = makeStyles(theme => ({
     boxShadow: theme.shadows[1],
   },
   searchBarOutline: {
-    borderStyle: 'none'
-  }
+    borderStyle: 'none',
+  },
 }));
 
 const useLogoStyles = makeStyles(theme => ({
@@ -156,9 +157,14 @@ export const DefaultTemplate = () => {
               className={container}
               logo={<TemplateBackstageLogo classes={{ svg, path }} />}
             />
-            <Grid container item xs={12} justifyContent='center'>
+            <Grid container item xs={12} justifyContent="center">
               <HomePageSearchBar
-                InputProps={{ classes: { root: classes.searchBarInput, notchedOutline: classes.searchBarOutline }}}
+                InputProps={{
+                  classes: {
+                    root: classes.searchBarInput,
+                    notchedOutline: classes.searchBarOutline,
+                  },
+                }}
                 placeholder="Search"
               />
             </Grid>

packages/app/src/components/scaffolder/customScaffolderExtensions.tsx

@@ -16,7 +16,7 @@
 import React from 'react';
 import type { FieldValidation } from '@rjsf/utils';
 import { scaffolderPlugin } from '@backstage/plugin-scaffolder';
-import { TextField } from '@material-ui/core';
+import TextField from '@material-ui/core/TextField';
 import {
   createScaffolderFieldExtension,
   FieldExtensionComponentProps,

packages/app/src/components/scaffolder/customScaffolderLayouts.tsx

@@ -19,7 +19,7 @@ import {
   LayoutTemplate,
   scaffolderPlugin,
 } from '@backstage/plugin-scaffolder';
-import { Grid } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
 
 const TwoColumn: LayoutTemplate = ({ properties, description, title }) => {
   const mid = Math.ceil(properties.length / 2);