[pktvisor] re-add pktvisor backend defaults

Signed-off-by: Michal Fiedorowicz <mfiedorowicz@netboxlabs.com>

cmd/agent/main.go

@@ -152,6 +152,11 @@ func mergeOrError(path string) {
 	v.SetDefault("orb.otel.port", 0)
 	v.SetDefault("orb.debug.enable", Debug)
 
+	v.SetDefault("orb.backends.pktvisor.binary", "/usr/local/sbin/pktvisord")
+	v.SetDefault("orb.backends.pktvisor.config_file", "/opt/orb/agent.yaml")
+	v.SetDefault("orb.backends.pktvisor.api_host", "localhost")
+	v.SetDefault("orb.backends.pktvisor.api_port", "10853")
+
 	if len(path) > 0 {
 		cobra.CheckErr(v.ReadInConfig())
 	}