- Fix the unloading subcell bug, letting us have units move to directly adjacent cells.
- Have the cursor change to a deploy-blocked cursor if the transport can't unload due to terrain type.
- Add RenderTransport for transport door opening.
- Remove turning/opening in general.
The sequences.yaml is a behemoth, next to impossible to navigate other than through the search function. Splitting it into multiple files named after their category makes navigation easier for everyone.