BI-47790 fix: 修复拖拽下拉框能拖动字段

src/widget/downlist/combo.downlist.js

@@ -54,6 +54,7 @@ BI.DownListCombo = BI.inherit(BI.Widget, {
             }),
             popup: {
                 el: this.popupview,
+                stopPropagation: o.stopPropagation,
                 maxHeight: 1000,
                 minWidth: 140
             }

src/widget/multilayerdownlist/combo.downlist.js

@@ -54,6 +54,7 @@ BI.DownListCombo = BI.inherit(BI.Widget, {
             }),
             popup: {
                 el: this.popupview,
+                stopPropagation: o.stopPropagation,
                 maxHeight: 1000
             }
         });