Random: Disable RND slider light if IN is connected.

src/Random.cpp

@@ -94,9 +94,12 @@ struct Random : Module {
 		shape += inputs[SHAPE_INPUT].getVoltage() / 10.f * params[SHAPE_CV_PARAM].getValue();
 		shape = clamp(shape, 0.f, 1.f);
 
-		float rand = params[RAND_PARAM].getValue();
-		rand += inputs[RAND_INPUT].getVoltage() / 10.f * params[RAND_CV_PARAM].getValue();
-		rand = clamp(rand, 0.f, 1.f);
+		float rand = 0.f;
+		if (!inputs[EXTERNAL_INPUT].isConnected()) {
+			rand = params[RAND_PARAM].getValue();
+			rand += inputs[RAND_INPUT].getVoltage() / 10.f * params[RAND_CV_PARAM].getValue();
+			rand = clamp(rand, 0.f, 1.f);
+		}
 
 		bool uni = params[OFFSET_PARAM].getValue() > 0.f;