FIX: refresh admin/customize/themes route after import

FIX: refresh admin/customize/themes route after import

Fixes an issue where the imported color schemes of a theme were not available immediately in the UI.

diff --git a/app/assets/javascripts/admin/routes/admin-customize-themes.js.es6 b/app/assets/javascripts/admin/routes/admin-customize-themes.js.es6
index 24ee231..49a74bc 100644
--- a/app/assets/javascripts/admin/routes/admin-customize-themes.js.es6
+++ b/app/assets/javascripts/admin/routes/admin-customize-themes.js.es6
@@ -16,8 +16,7 @@ export default Ember.Route.extend({
     },
 
     addTheme(theme) {
-      const all = this.modelFor("adminCustomizeThemes");
-      all.pushObject(theme);
+      this.refresh();
       this.transitionTo("adminCustomizeThemes.show", theme.get("id"));
     },

GitHub sha: 3500acf2