KERNEL-12408 fix:bug fix

src/base/list/virtualgrouplist.js

@@ -102,6 +102,7 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
             this.renderedIndex = cnt;
             cnt++;
             index += o.blockSize;
+            lastHeight = this.renderedIndex === -1 ? 0 : getElementHeight();
         }
     },
 

src/base/list/virtuallist.js

@@ -85,6 +85,7 @@ BI.VirtualList = BI.inherit(BI.Widget, {
             this.renderedIndex = cnt;
             cnt++;
             index += o.blockSize;
+            lastHeight = getElementHeight();
         }
     },
 

src/base/single/input/file.js

@@ -116,8 +116,7 @@
                     
                 return;
                 }
-                for (var
+                for (var xhr = new XMLHttpRequest,
-                         xhr = new XMLHttpRequest,
                          upload = xhr.upload || {
                              addEventListener: function (event, callback) {
                                  this["on" + event] = callback;
@@ -129,6 +128,7 @@
                 ) {
                     upload.addEventListener(
                         split[i].substring(2),
+                        // eslint-disable-next-line no-loop-func
                         (function (event) {
                             return function (rpe) {
                                 if (isFunction(handler[event])) {