Revert "fix(@vant/use): useRect should always return DOMRect (#8147)"

This reverts commit 0d0310d34e.

packages/vant-use/src/useRect/index.ts

@@ -12,12 +12,27 @@ export const useRect = (
   if (isWindow(element)) {
     const width = element.innerWidth;
     const height = element.innerHeight;
-    return new DOMRect(0, 0, width, height);
+
+    return {
+      top: 0,
+      left: 0,
+      right: width,
+      bottom: height,
+      width,
+      height,
+    };
   }
 
   if (element && element.getBoundingClientRect) {
     return element.getBoundingClientRect();
   }
 
-  return new DOMRect(0, 0, 0, 0);
+  return {
+    top: 0,
+    left: 0,
+    right: 0,
+    bottom: 0,
+    width: 0,
+    height: 0,
+  };
 };