minor fix

public/app/features/panel/partials/metrics_tab.html

@@ -47,4 +47,7 @@
   <plugin-component type="query-options-ctrl">
   </plugin-component>
 </rebuild-on-change>
+
+<div class="clearfix"></div>
+
 </div>

public/sass/pages/_dashboard.scss

@@ -183,8 +183,6 @@ div.flot-text {
 }
 
 .panel-full-edit {
-  margin-top: 20px;
-  margin-bottom: 20px;
 }
 
 .panel-highlight  {