Switch nomad to privileged mode.

hosts/common/nomad.nix

@@ -7,6 +7,8 @@ in
 {
   services.nomad = {
     enable = true;
+    # true breaks at least CSI volumes
+    dropPrivileges = false;
 
     settings = {
       datacenter = "alo";
@@ -32,7 +34,7 @@ in
 
   environment.persistence."/persist".directories = [
     "/var/lib/docker"
-    "/var/lib/private/nomad"
+    "/var/lib/nomad"
   ];
 
   environment.systemPackages = with pkgs; [