Add ESLint Rule to Sentry Plugin

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

.changeset/selfish-swans-think.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-sentry': patch
+---
+
+Added ESLint rule `no-top-level-material-ui-4-imports` in the `sentry` plugin to migrate the Material UI imports.

plugins/sentry/.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/sentry/dev/index.tsx

@@ -17,7 +17,7 @@
 import { Entity } from '@backstage/catalog-model';
 import { createDevApp, EntityGridItem } from '@backstage/dev-utils';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
-import { Grid } from '@material-ui/core';
+import Grid from '@material-ui/core/Grid';
 import React from 'react';
 import {
   EntitySentryCard,

plugins/sentry/src/components/ErrorCell/ErrorCell.tsx

@@ -16,7 +16,7 @@
 
 import React from 'react';
 import { SentryIssue } from '../../api';
-import { Typography } from '@material-ui/core';
+import Typography from '@material-ui/core/Typography';
 import { makeStyles } from '@material-ui/core/styles';
 import { Link } from '@backstage/core-components';
 

plugins/sentry/src/components/SentryIssuesTable/SentryIssuesTable.tsx

@@ -22,7 +22,9 @@ import { ErrorGraph } from '../ErrorGraph/ErrorGraph';
 import { Table, TableColumn } from '@backstage/core-components';
 import Select from '@material-ui/core/Select';
 import { Options } from '@material-table/core';
-import { FormControl, Grid, MenuItem } from '@material-ui/core';
+import FormControl from '@material-ui/core/FormControl';
+import Grid from '@material-ui/core/Grid';
+import MenuItem from '@material-ui/core/MenuItem';
 
 const ONE_DAY_IN_MILLIS = 86400000;
 const SEVEN_DAYS_IN_MILLIS = ONE_DAY_IN_MILLIS * 7;