Proper shadows when clipIntersection is true

src/renderers/webgl/WebGLShadowMap.js

@@ -381,6 +381,7 @@ function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {
 
 		result.clipShadows = material.clipShadows;
 		result.clippingPlanes = material.clippingPlanes;
+		result.clipIntersection = material.clipIntersection;
 
 		result.wireframeLinewidth = material.wireframeLinewidth;
 		result.linewidth = material.linewidth;