Fix ptrcalls to static GDExtension methods

core/extension/gdextension.cpp

@@ -275,7 +275,7 @@ public:
 				ret_opaque = r_ret->get_type() == Variant::NIL ? r_ret : VariantInternal::get_opaque_pointer(r_ret);
 			}
 
-			ptrcall(p_object, argptrs, ret_opaque);
+			ptrcall_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstTypePtr *>(argptrs), (GDExtensionTypePtr)ret_opaque);
 
 			if (r_ret && r_ret->get_type() == Variant::OBJECT) {
 				VariantInternal::update_object_id(r_ret);
@@ -289,7 +289,7 @@ public:
 		ERR_FAIL_COND_MSG(p_object && p_object->is_extension_placeholder(), vformat("Cannot call GDExtension method bind '%s' on placeholder instance.", name));
 #endif
 		ERR_FAIL_COND_MSG(vararg, "Vararg methods don't have ptrcall support. This is most likely an engine bug.");
-		GDExtensionClassInstancePtr extension_instance = p_object->_get_extension_instance();
+		GDExtensionClassInstancePtr extension_instance = is_static() ? nullptr : p_object->_get_extension_instance();
 		ptrcall_func(method_userdata, extension_instance, reinterpret_cast<GDExtensionConstTypePtr *>(p_args), (GDExtensionTypePtr)r_ret);
 	}