RunControl: Don't continue to run when the device is missing

In case when ports gatherer is used.
This fixes the crash in QmlProfilerToolTest".

Amends cf8d108773

Change-Id: I94a9124a4004d0b6fa7143f7339d8232a0c88467
Reviewed-by: hjk <hjk@qt.io>

src/plugins/projectexplorer/runcontrol.cpp

@@ -594,7 +594,7 @@ void RunControlPrivate::startPortsGathererIfNeededAndContinueStart()
         return;
     }
 
-    QTC_ASSERT(device, continueStart(); return);
+    QTC_ASSERT(device, initiateStop(); return);
 
     const Storage<PortsOutputData> portsStorage;