I’ve heard people mention Joonas hinting a scene that got cut, and this would fit the bill (of course it could be something else). The fact that they built the set makes me believe it was filmed.
If I were to play deleted scene bingo, I would say we are more likely to get this scene than the Oracle scene. I feel like this scene would contradict the narrative of the final film less than the Oracle scene likely did. Trying not to get my hopes up either, considering none of the deleted scenes we’ve ever gotten have been that amazing, and these both sound great.
Somebody on Twitter asked Joonas if he ever filmed a scene with Adam for TROS and he gave a vague response like he’s not allowed to say. If there was no scene, I feel like he would have flat out told us. Keep in mind that he only just revealed that he filmed a scene with Carrie for TFA mourning Han’s death a few weeks ago, basically 4 years after the film’s release. Strange that JJ never talked about this considering all the flack he got.