sgx: use real docker

Signed-off-by: Harald Hoyer <harald@hoyer.xyz>

modules/nixos/services/podman/default.nix

@@ -15,7 +15,7 @@ in
         enable = true;
 
         # Create a `docker` alias for podman, to use it as a drop-in replacement
-        dockerCompat = true;
+        dockerCompat = lib.mkDefault true;
 
         # For Nixos version > 22.11
         defaultNetwork.settings = { dns_enabled = true; };