Minor code refactoring
Minor code refactoring

Noticed that `KeysDir` variable in ClientConfig structure was ignored.

suedadam/teleport,gravitational/teleport,gravitational/teleport,bshelton229/teleport,tidalf/teleport,sokoow/teleport,aashley/teleport,sokoow/teleport,suedadam/teleport,ajvb/teleport,gravitational/teleport,sokoow/teleport,yacloud-io/teleport,yacloud-io/teleport,aashley/teleport,suedadam/teleport,gravitational/teleport,bshelton229/teleport,yacloud-io/teleport,aashley/teleport,suedadam/teleport,sokoow/teleport,bshelton229/teleport,ajvb/teleport,tidalf/teleport,tidalf/teleport,yacloud-io/teleport,tidalf/teleport,bshelton229/teleport,yacloud-io/teleport,yacloud-io/teleport,ajvb/teleport,bshelton229/teleport,suedadam/teleport,ajvb/teleport,ajvb/teleport,sokoow/teleport,aashley/teleport,tidalf/teleport,gravitational/teleport,gravitational/teleport,yacloud-io/teleport,aashley/teleport,sokoow/teleport