Fix using (local) custom run configuration with non-Desktop kits

For targets such as remote Linux, we would run all run configurations on
the remote device, even "custom run configuration", which is explicitly
intended for running locally.

Task-number: QTCREATORBUG-19121
Change-Id: I83d6bdd8a47440047d230266845286715432604a
Reviewed-by: hjk <hjk@qt.io>

src/plugins/projectexplorer/runconfiguration.cpp

@@ -616,7 +616,10 @@ public:
             runnable = runConfiguration->runnable();
             displayName  = runConfiguration->displayName();
             outputFormatter = runConfiguration->createOutputFormatter();
-            device = DeviceKitInformation::device(runConfiguration->target()->kit());
+            if (runnable.is<StandardRunnable>())
+                device = runnable.as<StandardRunnable>().device;
+            if (!device)
+                device = DeviceKitInformation::device(runConfiguration->target()->kit());
             project = runConfiguration->target()->project();
         } else {
             outputFormatter = new OutputFormatter();