refactor: 哈希表存储属性以支持无上限属性个数

crates/oxide_vm/tests/object_tests.rs

@@ -30,7 +30,7 @@ fn object_create_and_read() {
     assert!(obj.is_object());
     let obj_ref = unsafe { &*obj.as_js_object_ptr() };
     assert_eq!(obj_ref.prop_count(), 1, "object should have 1 property");
-    assert!(obj_ref.get_inline_prop(0).is_int());
+    assert!(obj_ref.get_prop_at(0).is_int());
 }
 
 #[test]