CHART-10129 fix: 鼠标在滑块边缘滑块疯狂抖动

src/widget/singleslider/button/iconbutton.slider.js

@@ -23,11 +23,8 @@ BI.SliderIconButton = BI.inherit(BI.Widget, {
             },
             items: [{
                 el: {
-                    type: "bi.text_button",
+                    type: "bi.text",
-                    width: 16,
+                    cls: "slider-button bi-high-light-border",
-                    height: 16,
-                    forceNotSelected: true,
-                    cls: "slider-button bi-list-item-select3 bi-high-light-border",
                     ref: function () {
                         self.slider = this;
                     }