harness: fixed race condition on forward pad while forwarding sticky events to sink harness
Co-authored-by: Camilo Celis camilo@pexip.com Co-authored-by: Havard Graff hgr@pexip.com
Co-authored-by: Camilo Celis camilo@pexip.com Co-authored-by: Havard Graff hgr@pexip.com