UX improvements to "tsh ls".
UX improvements to "tsh ls".

gravitational/teleport,yacloud-io/teleport,yacloud-io/teleport,yacloud-io/teleport,gravitational/teleport,gravitational/teleport,gravitational/teleport,gravitational/teleport,yacloud-io/teleport,yacloud-io/teleport,yacloud-io/teleport,gravitational/teleport,yacloud-io/teleport