Load current user after loading client config (#6648)

webapp/actions/user_actions.jsx

@@ -33,24 +33,16 @@ import {savePreferences, deletePreferences} from 'mattermost-redux/actions/prefe
 
 import {Preferences as PreferencesRedux} from 'mattermost-redux/constants';
 
-export function loadMe(callback) {
-    UserActions.loadMe()(dispatch, getState).then(
-        () => {
+export function loadMe() {
+    return UserActions.loadMe()(dispatch, getState).then(() => {
         if (window.mm_config) {
             loadCurrentLocale();
         }
-
-            if (callback) {
-                callback();
-            }
-        }
-    );
+    });
 }
 
 export function loadMeAndConfig(callback) {
-    loadMe(() => {
-        getClientConfig()(store.dispatch, store.getState).then(
-            (config) => {
+    getClientConfig()(store.dispatch, store.getState).then((config) => {
         global.window.mm_config = config;
 
         if (global.window && global.window.analytics) {
@@ -69,19 +61,14 @@ export function loadMeAndConfig(callback) {
             });
         }
 
-                loadCurrentLocale();
-
+        Promise.all([
+            loadMe(),
             getLicenseConfig()(store.dispatch, store.getState).then(
-                    (license) => { // eslint-disable-line max-nested-callbacks
+                (license) => {
                     global.window.mm_license = license;
-
-                        if (callback) {
-                            callback();
                 }
-                    }
-                );
-            }
-        );
+            )
+        ]).then(callback);
     });
 }