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Description
This PR makes it to where XUID's cannot be logged by other clients. This doesn't break anything serverside.
This fix applies serverside, old clients before this fix should not be able to log XUID's either
Changes
Previous Behavior
Before, XUID"s were passed to all clients, which could be stolen by iterating through
pMinecraft->level->playersin your clientExample:

Root Cause
Its old. And you were never intended to be able to spoof your XUID
New Behavior
When add player packet is passed to other clients, the XUID is now replaced with INVALID_XUID (only to clients, server still knows the actual XUID)
Example attempt to log with an XUID logger:

Fix Implementation
remove getting xuid in getAddEntityPacket() (this is what gets the actual packet to send to other clients for an entity beigna dded)
AI Use Disclosure
no ai