No no, what I'm saying is that we last saw Ezra with Thrawn so I'm guessing Ahsoka is looking for him and Sabine would be as well. I would think Sabine is not with Ezra unless she found him without Ahsoka.
Aaahhh... sorry, misunderstood. There are a couple of possibilities. Maybe Sabine and Ahsoka already found Ezra, but Thrawn escaped, and Ahsoka split up from Sabine and Ezra to go after him (or they split up to cover more ground to look for him).
Since Ahsoka is now in the known part of the galaxy (if on the edge), and she's asking about Thrawn and assuming that Elsbeth knows the answer, I would assume that means Thrawn (and presumably Ezra), have made their way back.