CoreMidi: Correctly apply protocol conversions for incoming messages

Author: reuk

modules/juce_audio_devices/native/juce_CoreMidi_mac.mm

@@ -2049,12 +2049,12 @@ explicit ConnectionToDst (std::shared_ptr<SharedEndpointsImplNative> e)
               consumer (cb)
         {
             connection->addDisconnectionListener (disconnectListener);
-            connection->addConsumer (consumer);
+            connection->addConsumer (*this);
         }
 
         ~InputImplNative() override
         {
-            connection->removeConsumer (consumer);
+            connection->removeConsumer (*this);
             connection->removeDisconnectionListener (disconnectListener);
         }