v22b2 Few map issues

1. Sometimes the insides of corvette are shown - including aliens. I think there should be whole black after second door.

2. Big red doors open in half - and stay open (do they have to close on next turn?)

3. On this kind of map can't move on the second floor if soldier stands too close to the building. Selecting higher floors doesn't render them for the building the soldier is close to. I need to move back so I could see second floor then I can waypoint

4. On some rare occasions 95% of the UFO goes invisible. Can't pinpoint when, but it happened twice to me.

Update on number 4.

Happens when you load a save if you're soldiers are inside UFO.