FIX: Topic drafts weren't showing up properly.

app/assets/javascripts/discourse/controllers/composer_controller.js

@@ -333,14 +333,14 @@ Discourse.ComposerController = Discourse.Controller.extend({
   cancelComposer: function() {
     var self = this;
 
-    return Ember.Deferred.promise(function (promise) {
+    return new Ember.RSVP.Promise(function (resolve) {
       if (self.get('model.hasMetaData') || self.get('model.replyDirty')) {
         bootbox.confirm(I18n.t("post.abandon"), I18n.t("no_value"), I18n.t("yes_value"), function(result) {
           if (result) {
             self.destroyDraft();
             self.get('model').clearState();
             self.close();
-            promise.resolve();
+            resolve();
           }
         });
       } else {
@@ -348,7 +348,7 @@ Discourse.ComposerController = Discourse.Controller.extend({
         self.destroyDraft();
         self.get('model').clearState();
         self.close();
-        promise.resolve();
+        resolve();
       }
     });
   },

app/assets/javascripts/discourse/routes/discovery_route.js

@@ -31,7 +31,6 @@ Discourse.DiscoveryRoute = Discourse.Route.extend({
       this.controllerFor('composer').open({
         categoryId: topicsController.get('category.id'),
         action: Discourse.Composer.CREATE_TOPIC,
-        draft: topicsController.get('draft'),
         draftKey: topicsController.get('draft_key'),
         draftSequence: topicsController.get('draft_sequence')
       });

app/assets/javascripts/discourse/routes/discovery_route_builders.js

@@ -28,6 +28,17 @@ function buildTopicRoute(filter) {
       Discourse.set('title', I18n.t('filters.with_topics', {filter: filterText}));
 
       this.controllerFor('discoveryTopics').setProperties({ model: model, category: null, period: period });
+
+      // If there's a draft, open the create topic composer
+      if (model.draft) {
+        this.controllerFor('composer').open({
+          action: Discourse.Composer.CREATE_TOPIC,
+          draft: model.draft,
+          draftKey: model.draft_key,
+          draftSequence: model.draft_sequence
+        });
+      }
+
       this.controllerFor('navigationDefault').set('canCreateTopic', model.get('can_create_topic'));
     },