shell: Clears text after leaving dialog box
shell: Clears text after leaving dialog box

Fixes #810
Closes #811

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

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