[FIX] Caret not showing in topic-footer-mobile-dropdown

app/assets/javascripts/select-box-kit/components/combo-box.js.es6

@@ -11,7 +11,7 @@ export default SelectBoxKitComponent.extend({
   clearable: false,
 
   @on("didReceiveAttrs")
-  _setComponentOptions() {
+  _setComboBoxOptions() {
     this.set("headerComponentOptions", Ember.Object.create({
       caretUpIcon: this.get("caretUpIcon"),
       caretDownIcon: this.get("caretDownIcon"),

app/assets/javascripts/select-box-kit/components/topic-footer-mobile-dropdown.js.es6

@@ -9,10 +9,9 @@ export default ComboBoxComponent.extend({
   autoFilterable: false,
 
   @on("didReceiveAttrs")
-  _setComponentOptions() {
-    this.set("headerComponentOptions", Ember.Object.create({
-      selectedName: I18n.t(this.get("headerText"))
-    }));
+  _setTopicFooterMobileDropdownOptions() {
+    this.get("headerComponentOptions")
+        .set("selectedName", I18n.t(this.get("headerText")));
   },
 
   @computed("topic", "topic.details", "value")