BI-113522 文本下拉展开发两次请求

src/widget/multiselect/multiselect.loader.js

@@ -45,6 +45,7 @@ BI.MultiSelectLoader = BI.inherit(BI.Widget, {
                 onLoaded: opts.onLoaded,
                 el: {
                     type: "bi.multi_select_inner_loader",
+                    isDefaultInit: false,
                 }
             }, opts.el),
             itemsCreator: function (op, callback) {