[6.00 Beta 6] Accepting new terraforming mission removes old mission progress

[Rinne]

Savegame: save_003.xml.gz

In the savegame, the last terraforming drones are on their way to finish the Winter Sports Resort on Messner / in Frontier Edge, completing the terraforming mission for this sector.

When you accept a new terraforming mission before the drones reach their target, the current terraforming mission is aborted. The Project finishes, all messages and videos play as normal.
However, the terraforming mission itself does not count as completed. If you activate the mission again, no goals count as being achieved.