BI-130558 fix: 【6.0.13发散】预览布局和内容缩放，控件下拉搜索，全选和选项的缩放比例不一样

packages/fineui/src/base/combination/searcher.js

@@ -134,7 +134,7 @@ export class Searcher extends Widget {
             this.popupView = createWidget(popup, {
                 type: SearcherView.xtype,
                 chooseType,
-            });
+            }, this);
             this.popupView.on(Controller.EVENT_CHANGE, (type, value, obj, ...args) => {
                 this.fireEvent(Controller.EVENT_CHANGE, type, value, obj, ...args);
                 if (type === Events.CLICK) {

packages/fineui/src/widget/multilayerdownlist/combo.downlist.js

@@ -33,7 +33,7 @@ export class MultiLayerDownListCombo extends Widget {
             items: o.items,
             chooseType: o.chooseType,
             value: o.value,
-        });
+        }, this);
 
         this.popupview.on(MultiLayerDownListPopup.EVENT_CHANGE, value => {
             this.fireEvent(MultiLayerDownListCombo.EVENT_CHANGE, value);

packages/fineui/src/widget/multiselect/search/multiselect.search.loader.js

@@ -146,7 +146,7 @@ export class MultiSelectSearchLoader extends Widget {
             },
             value: opts.value,
             height: "fill",
-        });
+        }, this);
         this.button_group.on(Controller.EVENT_CHANGE, function() {
             self.fireEvent(Controller.EVENT_CHANGE, arguments);
         });