Fix broken skeletal animated meshes

Fixes #102791

servers/rendering/renderer_rd/storage_rd/mesh_storage.cpp

@@ -1008,7 +1008,7 @@ void MeshStorage::_mesh_instance_add_surface(MeshInstance *mi, Mesh *mesh, uint3
 }
 
 void MeshStorage::_mesh_instance_add_surface_buffer(MeshInstance *mi, Mesh *mesh, MeshInstance::Surface *s, uint32_t p_surface, uint32_t p_buffer_index) {
-	s->vertex_buffer[p_buffer_index] = RD::get_singleton()->vertex_buffer_create(mesh->surfaces[p_surface]->vertex_buffer_size, Vector<uint8_t>(), true);
+	s->vertex_buffer[p_buffer_index] = RD::get_singleton()->vertex_buffer_create(mesh->surfaces[p_surface]->vertex_buffer_size, Vector<uint8_t>(), RD::BUFFER_CREATION_AS_STORAGE_BIT);
 
 	Vector<RD::Uniform> uniforms;
 	{