hide controls on query page

assets/javascripts/discourse/templates/admin/plugins-explorer.hbs

@@ -3,6 +3,7 @@
   {{#if disallow}}
     <h2>{{i18n "explorer.admins_only"}}</h2>
   {{else}}
+    {{#unless selectedQueryId}}
       <div class="query-list">
         {{combo-box valueAttribute="id" value=selectedQueryId nameProperty="listName" none="explorer.menu_none" content=content castInteger="true" nameChanges="true"}}
         {{d-button action="showCreate" icon="plus" class="no-text"}}
@@ -24,6 +25,7 @@
       {{/if}}
 
       <hr>
+    {{/unless}}
 
     {{#if content.length}}
       {{#if selectedItem.fake}}