Innnnteresting. The Center Seat is, as I suspected, still on a riser relative to the helm, but, looking at the screenshots, it's obvious that the helm is lower than the side consoles, so I suspect they just "tucked" the edges of the command module under the lip of the encircling floor.
In
this image (link) you can see the very blank wall section seen past the woman at the Nav station, and it and the console to its screen right matches up with Donny's original version of this set, but it doesn't seem to match the sketch (or I am misreading it), so did they turn the helm for the Navigator's closeups to further "cheat" that this isn't the
Enterprise bridge?
Captain Esteban's eyeline to the guy at the communications station's suggests it's at its normal position. But other stations don't necessarily seem like they're where this sketch indicates. Also notice the heavy black line which suggests perhaps all the units without it were pulled out for filming this sequence and maybe only those segments were redressed/repainted, but then again, communications was repainted, so maybe IT is between the lifts but they cheated the Captain's eyelines over to where it normally would be?