Faction shipyards
Every capital sells its own faction's ships.
- Changed shipyards to sell the ships of the faction that owns the station.
- Fixed most hulls, including every cargo ship, being unbuyable anywhere.
- Fixed scoops being stocked by stations but missing from the Trade tab.
- Fixed the Trade tab’s category row running off the edge of the window.
- Fixed the galaxy map listing Shipyard at stations that have none.