Hotfix (e1.5.2 - 30/09/2020)

[h3]Main e1.5.2[/h3]
- Fixed an issue that caused the brother and children of the player to not level up.
- Fixed a server crash on multiplayer sieges.
- Fixed sound performance issues on the campaign map.
- Fixed an issue with black squares appearing in battle missions.
https://forums.taleworlds.com/index.php?threads/known-issues-updated.401168/