[BUGFIX release] Fix #13670 reconnecting an empty outlet.

Add failing test for #13670 and fix render options shaping to fix isStable.

packages/ember-routing/lib/system/route.js

@@ -2030,9 +2030,13 @@ var Route = EmberObject.extend(ActionHandler, Evented, {
         // into its outlets, which won't render anywhere. All of this
         // statefulness should get the machete in 2.0.
         this.connections[i] = {
+          owner: connection.owner,
           into: connection.into,
           outlet: connection.outlet,
-          name: connection.name
+          name: connection.name,
+          controller: undefined,
+          template: undefined,
+          ViewClass: undefined
         };
         run.once(this.router, '_setOutlets');
       }
@@ -2130,7 +2134,8 @@ function buildRenderOptions(route, namePassed, isDefaultRender, _name, options)
     outlet,
     name,
     controller,
-    template: template || route._topLevelViewTemplate
+    template: template || route._topLevelViewTemplate,
+    ViewClass: undefined
   };
 
   assert(`Could not find "${name}" template, view, or component.`, isDefaultRender || template);

packages/ember/tests/routing/basic_test.js

@@ -2439,6 +2439,14 @@ test('Route supports clearing outlet explicitly', function() {
     router.send('hideExtra');
   });
   equal(jQuery('div.posts-extra:contains(postsExtra)', '#qunit-fixture').length, 0, 'The posts/extra template was removed');
+  run(function() {
+    router.send('showModal');
+  });
+  equal(jQuery('div.posts-modal:contains(postsModal)', '#qunit-fixture').length, 1, 'The posts/modal template was rendered');
+  run(function() {
+    router.send('showExtra');
+  });
+  equal(jQuery('div.posts-extra:contains(postsExtra)', '#qunit-fixture').length, 1, 'The posts/extra template was rendered');
 
   handleURL('/users');