Inital support for multi-tab loging

web/react/components/post.jsx

@@ -159,7 +159,7 @@ export default class Post extends React.Component {
         var profilePic = null;
         if (!this.props.hideProfilePic) {
             let src = '/api/v1/users/' + post.user_id + '/image?time=' + timestamp;
-            if (post.props && post.props.from_webhook && global.window.config.EnablePostIconOverride === 'true') {
+            if (post.props && post.props.from_webhook && global.window.mm_config.EnablePostIconOverride === 'true') {
                 if (post.props.override_icon_url) {
                     src = post.props.override_icon_url;
                 }