Closing Remote Channel Sink causes SDRangel to exit

[srcejon]

On a Windows debug build (not for release builds), closing the Remote channel Sink causes SDRangel to exit due to an assertion:

2021-11-02 12:14:21.959 (F) ASSERT failure in QCoreApplication::sendEvent: "Cannot send events to objects owned by a different thread. Current thread 0x0x1bf0a5af700. Receiver '' (of type 'RemoteSinkSender') was created in thread 0x0x1bf0e5f4a20", file kernel\qcoreapplication.cpp, line 558

Call stack:

RemoteSinkSender::~RemoteSinkSender() deletes a socket that doesn't appear to be closed anywhere.

So I think this may relate to code in RemoteSinkSink, that moves this object to a thread and then tries to delete it:

In RemoteSinkSink::RemoteSinkSink()

m_remoteSinkSender = new RemoteSinkSender();
m_remoteSinkSender->moveToThread(m_senderThread);

Then in RemoteSinkSink::~RemoteSinkSink()

delete m_remoteSinkSender;