chore: bump core to latest

Signed-off-by: blam <ben@blam.sh>

packages/core-components/package.json

@@ -33,6 +33,7 @@
     "@backstage/core-plugin-api": "^0.1.2",
     "@backstage/errors": "^0.1.1",
     "@backstage/theme": "^0.2.8",
+    "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
     "@testing-library/react-hooks": "^3.4.2",

packages/core-components/src/components/Table/Table.tsx

@@ -54,7 +54,6 @@ import React, {
   ReactNode,
   useCallback,
   useEffect,
-  useRef,
   useState,
 } from 'react';
 import { CheckboxTreeProps } from '../CheckboxTree/CheckboxTree';
@@ -212,6 +211,7 @@ export interface TableProps<T extends object = {}>
 }
 
 export function TableToolbar(toolbarProps: {
+  toolbarRef: MutableRefObject<any>;
   setSearch: (value: string) => void;
   onSearchChanged: (value: string) => void;
   toggleFilters: () => void;
@@ -219,6 +219,7 @@ export function TableToolbar(toolbarProps: {
   selectedFiltersLength: number;
 }) {
   const {
+    toolbarRef,
     setSearch,
     hasFilters,
     selectedFiltersLength,
@@ -246,6 +247,7 @@ export function TableToolbar(toolbarProps: {
         </div>
         <StyledMTableToolbar
           {...toolbarProps}
+          ref={toolbarRef}
           onSearchChanged={onSearchChanged}
         />
       </div>
@@ -253,7 +255,11 @@ export function TableToolbar(toolbarProps: {
   }
 
   return (
-    <StyledMTableToolbar {...toolbarProps} onSearchChanged={onSearchChanged} />
+    <StyledMTableToolbar
+      {...toolbarProps}
+      ref={toolbarRef}
+      onSearchChanged={onSearchChanged}
+    />
   );
 }
 

plugins/cost-insights/src/components/CostInsightsPage/CostInsightsThemeProvider.tsx

@@ -15,7 +15,10 @@
  */
 
 import React, { PropsWithChildren } from 'react';
-import { createMuiTheme, ThemeProvider } from '@material-ui/core';
+import {
+  createTheme as createMuiTheme,
+  ThemeProvider,
+} from '@material-ui/core';
 import { BackstageTheme } from '@backstage/theme';
 import {
   costInsightsDarkTheme,