Register VisibleMeshEntities (#14320)

# Objective

- A recent PR added this type but never registered it which breaks
loading some gltf

## Solution

- Register the type

Author: IceSentry

crates/bevy_pbr/src/lib.rs

@@ -288,6 +288,7 @@ impl Plugin for PbrPlugin {
             .register_type::<CascadeShadowConfig>()
             .register_type::<Cascades>()
             .register_type::<CascadesVisibleEntities>()
+            .register_type::<VisibleMeshEntities>()
             .register_type::<ClusterConfig>()
             .register_type::<CubemapVisibleEntities>()
             .register_type::<DirectionalLight>()