GHSA-XP4F-G2CM-RHG7 PocketMine-MP has LogDoS by many junk properties in client data JWT in LoginPacket

Impact Attackers can fill the body of the clientData JWT in LoginPacket with lots of junk properties, causing the server to flood warning messages, as well as wasting CPU time. This happens because the JsonMapper instance used to process the JWT body is configured to warn on unexpected properties...