fix colorpicker colors order (width issue) (#10170)

public/sass/components/_panel_graph.scss

@@ -193,7 +193,7 @@
 }
 }
 
 
 .graph-legend-popover {
 .graph-legend-popover {
-  width: 200px;
+  width: 210px;
   label {
   label {
     display: inline-block;
     display: inline-block;
   }
   }