Revert css control style removal

Author: ahmadayubi

src/mapml.css

@@ -138,7 +138,6 @@
   border: none;
   margin: 0;
   padding: 0;
-  cursor: grab;
 }
 
 .leaflet-control-layers-overlays > fieldset > .mapml-control-layers > summary,
@@ -279,6 +278,12 @@
  * User interaction.
  */
 
+/* Disable dragging of controls. */
+.leaflet-control :not([draggable="true"]),
+.mapml-contextmenu :not([draggable="true"]) {
+  -webkit-user-drag: none;
+}
+
 /* Disable text selection in controls. */
 .leaflet-control,
 .mapml-contextmenu,