Require images in common.js (#4232)

app/javascript/mastodon/main.js

@@ -8,8 +8,6 @@ function main() {
   const React = require('react');
   const ReactDOM = require('react-dom');
 
-  require.context('../images/', true);
-
   if (window.history && history.replaceState) {
     const { pathname, search, hash } = window.location;
     const path = pathname + search + hash;

app/javascript/packs/common.js

@@ -4,4 +4,6 @@ import { start } from 'rails-ujs';
 require('font-awesome/css/font-awesome.css');
 require('mastodon-application-style');
 
+require.context('../images/', true);
+
 start();

app/javascript/packs/public.js

@@ -6,8 +6,6 @@ import { getLocale } from '../mastodon/locales';
 import loadPolyfills from '../mastodon/load_polyfills';
 import ready from '../mastodon/ready';
 
-require.context('../images/', true);
-
 const { localeData } = getLocale();
 localeData.forEach(IntlRelativeFormat.__addLocaleData);