Reduce Light radius

src/app/Light.cpp

@@ -6,7 +6,7 @@ namespace rack {
 
 void Light::draw(NVGcontext *vg) {
 	float radius = box.size.x / 2.0;
-	float oradius = radius + 40.0;
+	float oradius = radius + 20.0;
 
 	// Solid
 	nvgBeginPath(vg);