### Godot version

v4.0.3.stable.official [5222a99f5]

### System information

Windows 10

### Issue description

If a `CharacterBody3D`'s parent node is in a position other than the origin, the difference will be included in its `get_position_delta()` value, and therefore also `get_real_velocity()`. This is because [the implementation](https://github.com/godotengine/godot/blob/3710f069293f2fde8afe33fea898c4b36fa5e943/scene/3d/physics_body_3d.cpp#L1782-L1784) subtracts the current **local** transform from the old **global** transform. I don't know if behaviour in this case is defined at all, but I would expect it to be consistent with everything else in the `CharacterBody3D` context, such that if `velocity` is zero, `get_position_delta()` is also zero. The same applies to `CharacterBody2D`.

### Steps to reproduce

1. Create a `Node3D` with a `CharacterBody3D` in it
2. Move the `Node3D`
3. Call `move_and_slide()` in the `CharacterBody3D` and observe `get_position_delta()`

### Minimal reproduction project

[godot cb3d.zip](https://github.com/godotengine/godot/files/11861307/godot.cb3d.zip)

ccd = p_enable;
	PhysicsServer3D::get_singleton()->body_set_enable_continuous_collision_detection(get_rid(), p_enable);
}
bool RigidBody3D::is_using_continuous_collision_detection() const {
	return ccd;
}
void RigidBody3D::set_contact_monitor(bool p_enabled) {
	if (p_enabled == is_contact_monitor_enabled()) {
		return;
	}
	if (!p_enabled) {
		ERR_FAIL_COND_MSG(contact_monitor->locked, "Can't disable contact monitoring during in/out callback. Use call_deferred(\"set_contact_monitor\", false) instead.");
		for (const KeyValue<ObjectID, BodyState> &E : contact_monitor->body_map) {
			
			Object *obj = ObjectDB::get_instance(E.key);
			Node *node = Object::cast_to<Node>(obj);
			if (node) {
				node->disconnect(SceneStringNames::get_singleton()->tree_entered, callable_mp(this, &RigidBody3D::_body_enter_tree));
				node->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &RigidBody3D::_body_exit_tree));
			}
		}
		memdelete(contact_monitor);
		contact_monitor = nullptr;
	} else {
		contact_monitor = memnew(ContactMonitor);
		contact_monitor->locked = false;
	}
}
bool RigidBody3D::is_contact_monitor_enabled() const {