Fix node's gizmo will be blocked by certain materials

[jsjtxietian]

Fixes #93547

Just like

godot/scene/3d/physics/ray_cast_3d.cpp

Lines 471 to 481 in 25ff130

	void RayCast3D::_update_debug_shape_material(bool p_check_collision) {
	if (!debug_material.is_valid()) {
	Ref<StandardMaterial3D> material = memnew(StandardMaterial3D);
	debug_material = material;
	material->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
	material->set_flag(StandardMaterial3D::FLAG_DISABLE_FOG, true);
	// Use double-sided rendering so that the RayCast can be seen if the camera is inside.
	material->set_cull_mode(BaseMaterial3D::CULL_DISABLED);
	material->set_transparency(BaseMaterial3D::TRANSPARENCY_ALPHA);
	}