重构代码：全站增加对脚本代码防护 link #ITJ53

#Issue
https://gitee.com/LongbowEnterprise/dashboard/issues?id=ITJ53

#Comment
增加扩展原有列的formatter对数据进行保护

Bootstrap.Admin/wwwroot/lib/longbow/longbow.common.js

@@ -335,6 +335,12 @@
                         return $.safeHtml(value);
                     }
                 }
+                else {
+                    var formatter = value.formatter;
+                    value.formatter = function(value, row, index, field) {
+                        return formatter.call(this, $.safeHtml(value), row, index, field);
+                    }
+                }
             });
             this.bootstrapTable(settings);
             $('.bootstrap-table .fixed-table-toolbar .columns .export .dropdown-menu').addClass("dropdown-menu-right");