fixed js code for chrome 49

SE/se-lib/TableAjax.php.TableAjax.js

@@ -590,7 +590,7 @@ global['p5UI__TableAjaxTheadSortRow'] = function (props) {
 					actions: props.filterActions,
 					maxLabelLines: maxHeadLines,
 				})
-			].concat(
+			].concat([
 				// hideColBtn.on('click', { column: column }, priv.columnHideClicked)
 				(fieldName !== props.primaryKey)
 				?	h('i', {
@@ -601,8 +601,7 @@ global['p5UI__TableAjaxTheadSortRow'] = function (props) {
 						},
 					})
 				:	null
-				,
-			));
+			]));
 		})
 	));
 };