fix: tree data deep reactive, close #5480

Author: tangjinzhou

components/vc-tree-select/hooks/useTreeData.ts

@@ -63,7 +63,7 @@ export default function useTreeData(
               rootPId: null,
               ...(simpleModeValue !== true ? simpleModeValue : {}),
             })
-          : toRaw(treeData.value);
+          : toRaw(treeData.value).slice();
       } else {
         mergedTreeData.value = convertChildrenToData(toRaw(children.value));
       }

components/vc-tree/Tree.tsx

@@ -109,7 +109,7 @@ export default defineComponent({
       () => {
         treeData.value =
           props.treeData !== undefined
-            ? toRaw(props.treeData)
+            ? toRaw(props.treeData).slice()
             : convertTreeToData(toRaw(props.children));
       },
       { immediate: true, deep: true },