[DataGrid] Fix prop-type warning with v5

Author: oliviertassinari

packages/grid/_modules_/grid/components/panel/GridPanelWrapper.tsx

@@ -2,6 +2,7 @@ import * as React from 'react';
 import clsx from 'clsx';
 import TrapFocus from '@material-ui/core/Unstable_TrapFocus';
 import { makeStyles } from '@material-ui/styles';
+import { getMuiVersion } from './utils';
 
 const useStyles = makeStyles(
   () => ({
@@ -24,8 +25,14 @@ export function GridPanelWrapper(
 ) {
   const classes = useStyles();
   const { className, ...other } = props;
+  const extraProps = getMuiVersion().startsWith('v4')
+    ? {
+        getDoc: () => document,
+      }
+    : {} as any;
+
   return (
-    <TrapFocus open disableEnforceFocus isEnabled={isEnabled} getDoc={() => document}>
+    <TrapFocus open disableEnforceFocus isEnabled={isEnabled} {...extraProps}>
       <div tabIndex={-1} className={clsx(classes.root, className)} {...other} />
     </TrapFocus>
   );