fix spurious command reordering

if there are already commands queued for running after temporary break,
then *all* commands must queued up or their order will change.

src/plugins/debugger/gdb/gdbengine.cpp

@@ -696,7 +696,7 @@ void GdbEngine::postCommandHelper(const GdbCommand &cmd)
             << "LEAVES PENDING AT:" << m_pendingRequests << cmd.command);
     }
 
-    if (cmd.flags & NeedsStop) {
+    if ((cmd.flags & NeedsStop) || !m_commandsToRunOnTemporaryBreak.isEmpty()) {
         if (state() == InferiorStopped
             || state() == InferiorStarting || state() == AdapterStarted) {
             // Can be safely sent now.