Given the Jesus is the Son of God. And Bahaullah came in the glory of God, I think this meant for Abdul Baha. It's also very special because Abdul Baha was born when Bab declared himself as the Manifestation of God.

(But I do not mean to imply that Abdul Baha is a Manifestation. The Age we live in today is different from the Age of Jesus.)

One more reason for me saying this is, a lady in the US once came running towards a place where Abdul Baha was passing by. She was weeping and was very happy to meet him.

She then shared that Jesus came to her in a dream the night before and told her she will find him there. (Sorry I tried to find the story online to share the source but couldn't. I read it in a book but we have heaps upon heaps of Baha'i Books. So I don't know which book is this from)

[ Also this is a personal theory of mine. I have mentioned facts here. But the conclusion is completely my personal one. I may be wrong]