Merge pull request #4674 from wenzhixin/fix/4672

Fixed virtualScroll option bug when import tree-grid

src/extensions/treegrid/bootstrap-table-treegrid.js

@@ -32,7 +32,9 @@ $.BootstrapTable = class extends $.BootstrapTable {
   }
 
   initBody (...args) {
-    this.options.virtualScroll = !this.treeEnable
+    if (this.treeEnable) {
+      this.options.virtualScroll = false
+    }
     super.initBody(...args)
   }