fix: virtualPhantomHeight

change virtualPhantomHeight when data is empty

Author: zhangjiayu1215

packages/ve-table/src/index.jsx

@@ -885,6 +885,11 @@ export default {
         },
         // 更新 virtual phantom 列表总高度
         setVirtualPhantomHeight() {
+            // 解决数据为空时，虚拟滚动区域高度问题
+            if (this.virtualScrollPositions.length === 0) {
+                this.$refs[this.virtualPhantomRef].style.height = "100%";
+                return;
+            }
             let totalHeight = 0;
 
             totalHeight =