Handsontable: restrict rules event to columns changed

src/js/jflow-wfform.js

@@ -1171,7 +1171,7 @@ Handsontable.cellTypes["bootdate"] = Handsontable.BootstrapDateCell;
                                 var triggered = [];
                                 for (var i = 0; i < changes.length; i++) {
                                     var prop = changes[i][1];
-                                    if (triggered.indexOf(prop) == -1) {
+                                    if (changes[i][2] != changes[i][3] && triggered.indexOf(prop) == -1) {
                                         $this.$element.trigger("change_" + prop);
                                         triggered.push(prop);
                                     }