removed height 100% from panel-container to fix ie11 panel edit mode

public/sass/pages/_dashboard.scss

@@ -33,7 +33,6 @@ div.flot-text {
   border: $panel-border;
   position: relative;
   border-radius: 3px;
-  height: 100%;
 
   &.panel-transparent {
     background-color: transparent;