FIX: Resetting site setting didn't remove "overriden" state

app/assets/javascripts/admin/mixins/setting-component.js.es6

@@ -84,7 +84,7 @@ export default Ember.Mixin.create({
     this.$().on("keydown.setting-enter", ".input-setting-string", function(e) {
       if (e.keyCode === 13) {
         // enter key
-        self._save();
+        self.send("save");
       }
     });
   }.on("didInsertElement"),
@@ -122,7 +122,7 @@ export default Ember.Mixin.create({
 
     resetDefault() {
       this.set("buffered.value", this.get("setting.default"));
-      this._save();
+      this.send("save");
     },
 
     toggleSecret() {

app/assets/javascripts/admin/templates/components/site-setting.hbs

@@ -13,5 +13,5 @@
   {{#if setting.secret}}
     {{d-button action="toggleSecret" icon="eye-slash"}}
   {{/if}}
-  {{d-button action="resetDefault" icon="undo" label="admin.settings.reset"}}
+  {{d-button class="undo" action="resetDefault" icon="undo" label="admin.settings.reset"}}
 {{/if}}

app/assets/javascripts/admin/templates/site-settings.hbs

@@ -1,9 +1,9 @@
 <div class='admin-controls'>
-  
+
   <div class='controls'>
     {{d-button action="toggleMenu" class="menu-toggle" icon="bars"}}
-    {{text-field value=filter placeholderKey="type_to_filter" class="no-blur"}}
-    {{d-button action="clearFilter" label="admin.site_settings.clear_filter"}}
+    {{text-field id="setting-filter" value=filter placeholderKey="type_to_filter" class="no-blur"}}
+    {{d-button id="clear-filter" action="clearFilter" label="admin.site_settings.clear_filter"}}
   </div>
   <div class='search controls'>
     <label>