ULTIMA8: Half-hardened lava causes no damage

[cefotaxime]

In the original game, Avatar can only walk on half-hardened lava terrain with 'Endure Heat' magic on. Under the Scummvm Engine, however, Avatar can simply jump on that terrain unharmed, making 'Endure Heat' magic useless.

[mduggan]

I think this is basically caused by the same thing as #11955, but there may be a second related problem:

1. For #11955, the Avatar doesn't fall as often as he should, because his hitbox is quite large and we use the larger hitbox to calculate fall. Quite often that overlaps with a neighbouring tile.

2. I think there may also be another problem with hit events - jumping to a specific piece of lava does not cause any damage either.

[OMGPizzaGuy]

MainActor::Teleport 24 19187 28491 0

Jumping on this tile now causes damage, but if damage animation ends on the same tile, it can prevent taking additional damage.
Full fix would probably be adjusting sweep test to not exclude overlapping start items beneath player.