Merge pull request #3491 in VISUAL/fineui from DEC/fineui:release/11.0 to master

* commit '14a1dd611fe173fdbf92fd34867e6ca83b295442':
  BI-125050 【6.0.9冒烟】火狐浏览器，组件产生滚动条时没办法调整最后一列的组件宽度

src/core/platform/web/dom.js

@@ -109,7 +109,7 @@
 
         // 获取滚动条的宽度，页面display: none时候获取到的为0
         getScrollWidth: function (css) {
-            if (BI.isNull(this._scrollWidth) || this._scrollWidth === 0) {
+            if (BI.isNull(this._scrollWidth) || BI.isNotNull(css) || this._scrollWidth === 0) {
                 var ul = BI.Widget._renderEngine.createElement("<div>").width(50).height(50).css({
                     position: "absolute",
                     top: "-9999px",