minor css change

public/sass/components/_panel_editor.scss

@@ -65,10 +65,10 @@
   width: 180px;
   position: relative;
   border-radius: 2px;
-  height: 10px;
+  height: 7px;
   cursor: grabbing;
   background: $input-label-bg;
-  top: -8px;
+  top: -9px;
 
   &:hover {
     transition: background 0.2s ease-in 0.4s;