Update "Known Issues" thread

[Leviathan-1945]

It still exists.

Warcraft III: Reforged Known Issues -- Updated December 7

December 12, 2022 Level transitions in campaign can cause the game to become unresponsive in error. December 1, 2022 Players sometimes cannot invite certain accounts to their Clan, with an error stating that the invitee is in a Clan when they are not. November 4, 2022 Leaderboards are not updating correctly. August 22, 2022 Leaderboards are recording incorrect data.