KERNEL-11647 feat: 下拉框trigger按钮交互行为的统一

src/case/combo/searchtextvaluecombo/trigger.searchtextvalue.js

@@ -24,7 +24,10 @@ BI.SearchTextValueTrigger = BI.inherit(BI.Trigger, {
             },
             width: o.height,
             height: o.height,
-            width: 24,
+            stopPropagation: true,
+            handler: function () {
+                self.fireEvent(BI.Controller.EVENT_CHANGE, BI.Events.TOGGLE);
+            }
         };
 
         var stateText = this._digest(o.value, o.items) || o.text;