Fix import order with ESLint

Port d27216dc46 to glitch-soc

app/javascript/flavours/glitch/components/avatar_overlay.jsx

@@ -1,6 +1,8 @@
-import { PureComponent } from 'react';
 import PropTypes from 'prop-types';
+import { PureComponent } from 'react';
+
 import ImmutablePropTypes from 'react-immutable-proptypes';
+
 import { autoPlayGif } from 'flavours/glitch/initial_state';
 
 export default class AvatarOverlay extends PureComponent {