Fix bug with excluded/invisible checkboxes management in run workflow.

src/js/jflow-wfform.js

@@ -453,8 +453,10 @@ Handsontable.cellTypes["bootdate"] = Handsontable.BootstrapDateCell;
 				}
 				
 				$("#workflow_form :checkbox").each(function(){
-					if( $(this).parents("[id^=handsontable_]").length == 0 ){ // Exclude checkboxes from handsontable
-						if (!$(this).prop('checked')) { params += $(this).attr("name") + "=false&"; }
+					if( $(this).is(":visible") ){
+						if( $(this).parents("[id^=handsontable_]").length == 0 ){ // Exclude checkboxes from handsontable
+							if (!$(this).prop('checked')) { params += $(this).attr("name") + "=false&"; }
+						}
 					}
 				});