fix: 🐛 Forgotten session setup method in core (#1380)

Forgotten ember auth session setup method

addons/core/ember-cli-build.js

@@ -5,6 +5,9 @@ const EmberAddon = require('ember-cli/lib/broccoli/ember-addon');
 module.exports = function (defaults) {
   let app = new EmberAddon(defaults, {
     // Add options here
+    'ember-simple-auth': {
+      useSessionSetupMethod: true,
+    },
   });
 
   /*