shell: Pass on unhandled hints
shell: Pass on unhandled hints

So that the "ignore_transport_health_check" hint will reach the
WebSocket transport, for example.

Reviewed-by: Stef Walter <8a7fbf0f15d3ad982af54ef28f5c117d2494b76c@redhat.com>

xhad/cockpit,mareklibra/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,stefwalter/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,cockpituous/cockpit,mareklibra/cockpit,xhad/cockpit,sgallagher/cockpit,larsu/cockpit,stefwalter/cockpit,arilivigni/cockpit,larsu/cockpit,mvollmer/cockpit,Scribery/cockpit,xhad/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,andreasn/cockpit,xhad/cockpit,xhad/cockpit,vanloswang/cockpit,dperpeet/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,deryni/cockpit,sgallagher/cockpit,michalskrivanek/cockpit,dperpeet/cockpit,mareklibra/cockpit,mvollmer/cockpit,mareklibra/cockpit,mvollmer/cockpit,andreasn/cockpit,moraleslazaro/cockpit,sgallagher/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,cockpit-project/cockpit,SotolitoLabs/cockpit,petervo/cockpit,dperpeet/cockpit,arilivigni/cockpit,cockpituous/cockpit,arilivigni/cockpit,petervo/cockpit,xhad/cockpit,harishanand95/cockpit,cockpit-project/cockpit,larskarlitski/cockpit,xhad/cockpit,petervo/cockpit,petervo/cockpit,deryni/cockpit,larskarlitski/cockpit,vanloswang/cockpit,garrett/cockpit,vanloswang/cockpit,larsu/cockpit,stefwalter/cockpit,stefwalter/cockpit,garrett/cockpit,arilivigni/cockpit,deryni/cockpit,larskarlitski/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,vanloswang/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,andreasn/cockpit,cockpituous/cockpit,dperpeet/cockpit,stefwalter/cockpit,martinpitt/cockpit,andreasn/cockpit,andreasn/cockpit,petervo/cockpit,garrett/cockpit,dperpeet/cockpit,deryni/cockpit,harishanand95/cockpit,cockpituous/cockpit,martinpitt/cockpit,harishanand95/cockpit,martinpitt/cockpit,arilivigni/cockpit,michalskrivanek/cockpit,cockpit-project/cockpit,Scribery/cockpit,michalskrivanek/cockpit,andreasn/cockpit,moraleslazaro/cockpit,dperpeet/cockpit,dperpeet/cockpit,larsu/cockpit,mvollmer/cockpit,Scribery/cockpit,Scribery/cockpit,larsu/cockpit,sgallagher/cockpit,cockpituous/cockpit,deryni/cockpit,mareklibra/cockpit,andreasn/cockpit,moraleslazaro/cockpit,michalskrivanek/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,michalskrivanek/cockpit,harishanand95/cockpit,arilivigni/cockpit,sgallagher/cockpit,stefwalter/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,petervo/cockpit,harishanand95/cockpit,vanloswang/cockpit,petervo/cockpit,stefwalter/cockpit,larskarlitski/cockpit,mareklibra/cockpit,vanloswang/cockpit,deryni/cockpit,larsu/cockpit,garrett/cockpit,vanloswang/cockpit,sgallagher/cockpit,Scribery/cockpit,mareklibra/cockpit,Scribery/cockpit,moraleslazaro/cockpit,michalskrivanek/cockpit,martinpitt/cockpit,arilivigni/cockpit,larskarlitski/cockpit,Scribery/cockpit,garrett/cockpit