Show debug session info in 'Debug Sessions' view as a child nodes

[dgolovin]

'odo debug info' provides useful info. Spec properties should be shown as a child nodes for debug session item in Debug Sessions' view

{
        "kind": "OdoDebugInfo",
        "apiVersion": "v1",
        "metadata": {
                "name": "nodejs",
                "namespace": "sprint-review",
                "creationTimestamp": null
        },
        "spec": {
                "debugProcessID": 99780,
                "remotePort": 5858,
                "localPort": 46111
        }
}