Adding placeholder for none state

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

@@ -4,8 +4,8 @@
     <h2>{{i18n "explorer.admins_only"}}</h2>
   {{else}}
     <div class="query-list">
-      {{combo-box valueAttribute="id" value=selectedQueryId nameProperty="listName" content=content castInteger="true" nameChanges="true"}}
-      {{d-button action="showCreate" icon="plus" class="no-text"}}
+      {{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-icon"}}
       {{d-button action="importQuery" label="explorer.import.label" icon="upload"}}
     </div>
 
@@ -24,7 +24,7 @@
     {{/if}}
 
     <hr>
-
+    
     {{#if selectedItem.fake}}
       {{i18n "explorer.no_queries"}} <a {{action "showCreate"}}>{{i18n "explorer.no_queries_hook"}}</a>
     {{else}}

assets/stylesheets/explorer.scss

@@ -200,6 +200,16 @@
   margin: 10px 0;
 }
 
+.query-list {
+  display: flex;
+  .combo-box, button {
+    margin-right: .5em;
+  }
+  li.none {
+    color: $primary-medium;
+  }
+}
+
 .explorer-pad-bottom {
   margin-bottom: 200px;
 }

config/locales/client.en.yml

@@ -58,3 +58,4 @@ en:
       reset_params: "Reset"
       no_queries: "There are no queries. Why not "
       no_queries_hook: "create one?"
+      menu_none: "Select a query"