fix(components): tree nodesMap leak (#10195)

Co-authored-by: qiang <qw13131wang@gmail.com>

packages/components/tree/src/model/tree-store.ts

@@ -103,6 +103,7 @@ export default class TreeStore {
   setData(newVal: TreeData): void {
     const instanceChanged = newVal !== this.root.data
     if (instanceChanged) {
+      this.nodesMap = {}
       this.root.setData(newVal)
       this._initDefaultCheckedNodes()
     } else {