Mmm, just be aware that the Fungia is capable of mobility if it feels it will be more comfortable in another spot.
During the day, if they are inflating and there are no issues, then they may be fine. Just keep an eye on them for the next couple weeks and see if anything of consequence happens.
IMO, I would be more worried at night time, after the lights go out. Either one of those two corals may extend sweeper tentacles in spite of the other.