RunControl: Drop IDevice * from doStart()

Use device set inside passed runnable instead.

Grep for all usages of RunControl::start().
If passed device wasn't nullptr, set this device
inside passed runnable. Otherwise ensure that
passed runnable contains device set to nullptr.

Change-Id: I06fd42a16246fa9fedd81eeb47481a217f887cb0
Reviewed-by: hjk <hjk@qt.io>

src/plugins/qmlpreview/qmlpreviewruncontrol.cpp

@@ -149,7 +149,8 @@ LocalQmlPreviewSupport::LocalQmlPreviewSupport(ProjectExplorer::RunControl *runC
 
         runnable.command.addArg(QmlDebug::qmlDebugLocalArguments(QmlDebug::QmlPreviewServices,
                                                                  serverUrl.path()));
-        doStart(runnable, {});
+        runnable.device.reset();
+        doStart(runnable);
     });
 }