Pull request #2716: JSY-18004 fix: 【冒烟】列表筛选器未搜索时，多了一个x的取消符号

Merge in VISUAL/fineui from ~DAILER/fineui:master to master

* commit '42d6fec2f4a7ffdd9dbfe05f18618bcb24a7fdac':
  JSY-18004 fix: 【冒烟】列表筛选器未搜索时，多了一个x的取消符号

src/widget/editor/editor.search.js

@@ -34,7 +34,7 @@ BI.SearchEditor = BI.inherit(BI.Widget, {
             type: "bi.icon_button",
             stopEvent: true,
             cls: "close-font",
-            invisible: BI.isKey(o.value)
+            invisible: !BI.isKey(o.value)
         });
         this.clear.on(BI.IconButton.EVENT_CHANGE, function () {
             self.setValue("");