feat: 实现 Object.getOwnPropertyDescriptors 内建

crates/oxide_kernel/src/builtin/bind.rs

@@ -28,6 +28,7 @@ impl BuiltinWorld {
             ("is", methods.is, 2),
             ("defineProperty", methods.define_property, 3),
             ("getOwnPropertyDescriptor", methods.get_own_property_descriptor, 2),
+            ("getOwnPropertyDescriptors", methods.get_own_property_descriptors, 1),
             ("freeze", methods.freeze, 1),
             ("seal", methods.seal, 1),
             ("preventExtensions", methods.prevent_extensions, 1),

crates/oxide_kernel/src/builtin/methods.rs

@@ -8,6 +8,7 @@ pub struct ObjectMethods {
     pub is: *const (),
     pub define_property: *const (),
     pub get_own_property_descriptor: *const (),
+    pub get_own_property_descriptors: *const (),
     pub freeze: *const (),
     pub seal: *const (),
     pub prevent_extensions: *const (),