Just checked it. You are right. The button to swap is gone or was removed.
Discussion
nostr:npub1mutnyacc9uc4t5mmxvpprwsauj5p2qxq95v4a9j0jxl8wnkfvuyque23vg was the button to swap from fedi to lightning removed?
Yes. They removed it temporarily while they are fixing a bug.
Ahh ok thanks! Looks like I might be sticking with this setup assuming the swap function comes back!