Revealing asteroid only reveals orbit after reloading

According to the patch note on the testing branch:

• When an asteroid is revealed it now also reveals all of the tiles that make up that asteroid's orbit.

This only works after reloading the game. For example, I have just detected the flipped asteroid, but the orbital hexes are still not revealed:

After saving and reloading, I get a second warning that a new planetoid has been detected, but this time the orbital hexes are properly revealed on the Starmap: