Enforce import order with ESLint (#25096)

app/javascript/mastodon/features/ui/components/image_loader.jsx

@@ -1,7 +1,10 @@
-import classNames from 'classnames';
 import PropTypes from 'prop-types';
 import { PureComponent } from 'react';
+
+import classNames from 'classnames';
+
 import { LoadingBar } from 'react-redux-loading-bar';
+
 import ZoomableImage from './zoomable_image';
 
 export default class ImageLoader extends PureComponent {