Re-disable dirlights in MeshPhysicalMaterial material browser

Author: Ameobea

docs/scenes/material-browser.html

@@ -690,6 +690,8 @@
 						guiMaterial( gui, mesh, material, geometry );
 						guiMeshPhysicalMaterial( gui, mesh, material, geometry );
 
+						light1.visible = false;
+						light2.visible = false;
 						light3.visible = false;
 
 						return material;