Add condition on selection

If you click on expandable icon doesn't trigger selection

Author: FLinares

src/features/selection/js/selection.js

@@ -856,6 +856,11 @@
             //});
 
             var selectCells = function(evt){
+              // if you click on expandable icon doesn't trigger selection
+              if (evt.target.className === "ui-grid-icon-minus-squared" || evt.target.className === "ui-grid-icon-plus-squared") {
+                return;
+              }
+
               // if we get a click, then stop listening for touchend
               $elm.off('touchend', touchEnd);