Help: Make it possible to duplicate search view

Change-Id: I6fac9f721fc3e2f877d9f600f9dea6650558516a
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
Help Window: Add search view to side bar

Change-Id: If3acbad9694b6d1a3441007a9fa9c13a3738aa5f
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>