Replace shallowEqual from recompose by the one from react-reduxin Fil…

…eInput (to be skipped once rebasing on master)

packages/ra-ui-materialui/src/input/FileInput.tsx

@@ -6,7 +6,7 @@ import React, {
     ReactElement,
 } from 'react';
 import PropTypes from 'prop-types';
-import { shallowEqual } from 'recompose';
+import { shallowEqual } from 'react-redux';
 import { useDropzone, DropzoneOptions } from 'react-dropzone';
 import { makeStyles } from '@material-ui/core/styles';
 import FormHelperText from '@material-ui/core/FormHelperText';