fix(createSelectorQuery:web:vue3): 页面多根节点无法查询的问题#26051

Author: hdx

packages/uni-h5/src/service/api/ui/requestComponentInfo.ts

@@ -339,7 +339,7 @@ function getNodesInfo(
       selector,
       fields,
       !single,
-      component?.$.subTree
+      (component || pageVm).$.subTree
     )
   //#endif