Added @backstage/no-top-level-material-ui-4-imports rule to plugins/airbrake

Signed-off-by: Aditya Kumar <aditya.kumar60@infosys.com>

.changeset/hot-moles-lay.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-airbrake': patch
+---
+
+added an optional ESLint rule - no-top-level-material-ui-4-imports - which has an auto fix function to migrate the imports and using it migrated the imports

plugins/airbrake/.eslintrc.js

@@ -1 +1,5 @@
-module.exports = require('@backstage/cli/config/eslint-factory')(__dirname);
+module.exports = require('@backstage/cli/config/eslint-factory')(__dirname, {
+    rules: {
+      '@backstage/no-top-level-material-ui-4-imports': 'error',
+    },
+  });

plugins/airbrake/dev/components/ApiBar/ApiBar.tsx

@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 import React from 'react';
-import { makeStyles, TextField } from '@material-ui/core';
+import TextField from '@material-ui/core/TextField';
+import { makeStyles } from '@material-ui/core/styles';
 import { Context } from '../ContextProvider';
 
 const useStyles = makeStyles(theme => ({

plugins/airbrake/src/components/EntityAirbrakeWidget/EntityAirbrakeWidget.tsx

@@ -22,7 +22,8 @@ import {
   Progress,
 } from '@backstage/core-components';
 import { useApi } from '@backstage/core-plugin-api';
-import { Grid, Typography } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
+import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import React from 'react';
 import useAsync from 'react-use/lib/useAsync';