web: Expose the error details in DBusClient
web: Expose the error details in DBusClient

After closing due to an unknown-hostkey failure we want the details
of the host-key and host-fingerprint to be accessible on the
DBusClient.

Reviewed-by: Marius Vollmer <dfb09a139f04db0099494605fd3e46839b0a540f@redhat.com>

cockpituous/cockpit,FireDrunk/cockpit,andreasn/cockpit,vbatts/cockpit,stefwalter/cockpit,moraleslazaro/cockpit,xhad/cockpit,nmav/cockpit,jscotka/cockpit,Armstrong1992/cockpit,vanloswang/cockpit,martinpitt/cockpit,vbatts/cockpit,xhad/cockpit,moraleslazaro/cockpit,petervo/cockpit,harishanand95/cockpit,dperpeet/cockpit,Thermionix/cockpit,jscotka/cockpit,SotolitoLabs/cockpit,haiyangd/cockpit_view,dperpeet/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,deryni/cockpit,larsu/cockpit,harishanand95/cockpit,sgallagher/cockpit,matobet/cockpit,andreasn/cockpit,kkaempf/cockpit,stefwalter/cockpit,kkaempf/cockpit,haiyangd/cockpit_view,moraleslazaro/cockpit,jscotka/cockpit,moraleslazaro/cockpit,netzvieh/cockpit,zigitax/cockpit,Thermionix/cockpit,moolitayer/cockpit,stefwalter/cockpit,harishanand95/cockpit,firebitsbr/cockpit,andreasn/cockpit,netzvieh/cockpit,moolitayer/cockpit,cockpit-project/cockpit,arilivigni/cockpit,stefwalter/cockpit,martinpitt/cockpit,larskarlitski/cockpit,sgallagher/cockpit,larsu/cockpit,mareklibra/cockpit,cockpit-project/cockpit,larsu/cockpit,sub-mod/cockpit,vanloswang/cockpit,mvollmer/cockpit,arilivigni/cockpit,mareklibra/cockpit,firebitsbr/cockpit,Scribery/cockpit,sub-mod/cockpit,Thermionix/cockpit,garrett/cockpit,petervo/cockpit,dperpeet/cockpit,vanloswang/cockpit,Scribery/cockpit,deryni/cockpit,denysvitali/cockpit,Armstrong1992/cockpit,xhad/cockpit,firebitsbr/cockpit,sub-mod/cockpit,deryni/cockpit,sgallagher/cockpit,jscotka/cockpit,cockpituous/cockpit,mvollmer/cockpit,kkaempf/cockpit,stefwalter/cockpit,zigitax/cockpit,xhad/cockpit,dperpeet/cockpit,evol262/cockpit,matobet/cockpit,cockpituous/cockpit,arilivigni/cockpit,FireDrunk/cockpit,garrett/cockpit,netzvieh/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,cockpituous/cockpit,garrett/cockpit,Thermionix/cockpit,sub-mod/cockpit,vbatts/cockpit,moolitayer/cockpit,FireDrunk/cockpit,Scribery/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,larsu/cockpit,petervo/cockpit,evol262/cockpit,darioajr/cockpit,moraleslazaro/cockpit,zigitax/cockpit,kkaempf/cockpit,andreasn/cockpit,Scribery/cockpit,cockpituous/cockpit,darioajr/cockpit,jscotka/cockpit,arilivigni/cockpit,mareklibra/cockpit,sgallagher/cockpit,fridex/cockpit,larskarlitski/cockpit,cockpituous/cockpit,evol262/cockpit,firebitsbr/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,andreasn/cockpit,vanloswang/cockpit,larskarlitski/cockpit,vbatts/cockpit,mareklibra/cockpit,michalskrivanek/cockpit,maxamillion/cockpit,andreasn/cockpit,Thermionix/cockpit,kkaempf/cockpit,darioajr/cockpit,maxamillion/cockpit,matobet/cockpit,haiyangd/cockpit_view,martinpitt/cockpit,zigitax/cockpit,vanloswang/cockpit,matobet/cockpit,netzvieh/cockpit,deryni/cockpit,mareklibra/cockpit,michalskrivanek/cockpit,larsu/cockpit,larskarlitski/cockpit,FireDrunk/cockpit,mareklibra/cockpit,andreasn/cockpit,larskarlitski/cockpit,maxamillion/cockpit,garrett/cockpit,martinpitt/cockpit,fridex/cockpit,vanloswang/cockpit,larskarlitski/cockpit,sgallagher/cockpit,arilivigni/cockpit,haiyangd/cockpit_view,larsu/cockpit,fridex/cockpit,petervo/cockpit,deryni/cockpit,evol262/cockpit,stefwalter/cockpit,mareklibra/cockpit,nmav/cockpit,zigitax/cockpit,maxamillion/cockpit,denysvitali/cockpit,netzvieh/cockpit,maxamillion/cockpit,matobet/cockpit,Scribery/cockpit,moolitayer/cockpit,harishanand95/cockpit,jscotka/cockpit,matobet/cockpit,petervo/cockpit,larskarlitski/cockpit,xhad/cockpit,Armstrong1992/cockpit,Armstrong1992/cockpit,sgallagher/cockpit,nmav/cockpit,arilivigni/cockpit,moolitayer/cockpit,Armstrong1992/cockpit,dperpeet/cockpit,fridex/cockpit,michalskrivanek/cockpit,vbatts/cockpit,evol262/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,denysvitali/cockpit,sgallagher/cockpit,firebitsbr/cockpit,denysvitali/cockpit,Scribery/cockpit,SotolitoLabs/cockpit,garrett/cockpit,denysvitali/cockpit,mvollmer/cockpit,fridex/cockpit,dperpeet/cockpit,netzvieh/cockpit,fridex/cockpit,michalskrivanek/cockpit,harishanand95/cockpit,nmav/cockpit,deryni/cockpit,michalskrivanek/cockpit,vanloswang/cockpit,haiyangd/cockpit_view,cockpit-project/cockpit,petervo/cockpit,mvollmer/cockpit,evol262/cockpit,nmav/cockpit,cockpit-project/cockpit,Thermionix/cockpit,dperpeet/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,deryni/cockpit,stefwalter/cockpit,FireDrunk/cockpit,xhad/cockpit,petervo/cockpit,darioajr/cockpit,cockpit-project/cockpit,Scribery/cockpit,sub-mod/cockpit,darioajr/cockpit,vbatts/cockpit,xhad/cockpit