DLC robotics parts return half value for mass when iterated over

[TravelerTwo]

All the DLC robotics part (except the controller) seem to be made out of two identical parts and querying the mass returns only half of the 'true' mass of a part.

Try this to see what I mean.

local m is 0.

for p in ship:parts { set m to m + p:mass. }

print m.
print ship:mass.

[darthgently]

Not sure if related, but the bounds on the restock+ inflatable airlock is taken into account for ship: bounds when inflated but part:bounds only reflects the deflated size even when inflated. Similarity to this issue is that the ship level is correct while part level seems to be only looking at some, or one, piece of the part. Let me know if a separate issue is in order