Docker: Add a button to list auto-detected kit items

Helps to understand what's going on.

Change-Id: I5b8c591cbd60227cf250932c8654063236eec05f
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/docker/dockerdevice.h

@@ -136,6 +136,7 @@ public:
 
     void autoDetect(const QString &sharedId) const;
     void undoAutoDetect(const QString &sharedId) const;
+    void listAutoDetected(const QString &sharedId) const;
 
 signals:
     void logOutput(const QString &msg);