Ottomans - "Extensive Fortifications" + Stone Wall Tower - The Stone Wall Tower does not receive the -20% discount

[CrackingMusic84]

For Ottomans, the “Extensive Fortifications” Vizier point ability reduces the cost of defensive buildings by 20%.

This is not working on the “Stone Wall Tower”, which costs 300 stone, and should be reduced to 240 stone.

Build: 12.0.1974.0