add new user-setting section 'advanced' and remove ctrl-send setting from general tab

web/react/utils/constants.jsx

@@ -311,7 +311,8 @@ module.exports = {
     DEFAULT_CODE_THEME: 'github',
     Preferences: {
         CATEGORY_DIRECT_CHANNEL_SHOW: 'direct_channel_show',
-        CATEGORY_DISPLAY_SETTINGS: 'display_settings'
+        CATEGORY_DISPLAY_SETTINGS: 'display_settings',
+        CATEGORY_ADVANCED_SETTINGS: 'advanced_settings'
     },
     KeyCodes: {
         UP: 38,