local world UUID change

[GyomeiHimejima9906]

Is there an existing issue for this?

• I have searched the existing issues

Launcher Version

0.47.5

Operating System

Windows

Architecture

x64

Current Behavior

when i play a wold connecting to my localhost server and my hosted server i have an UUID but if i move the world folder into a minecraft XMCL instances and i log in in the world i have another UUID i'm using microsoft autentication (minecraft premium) NOT Craked/Sp

Expected Behavior

if log in in a wolrd i use the same UUID (like minecraft loucher)

Steps To Reproduce

in this enviroment:
windows 11 21H2 Pro, with xmcl 0.47.5, minecraft 1.21.1 fabric 0.16.7 with iris, sodium, Server Snapshot Performance Backports (https://modrinth.com/mod/server-snapshot-performance-backports) on the client side and Server Snapshot Performance Backports on client and server side

1. have a local host server louche from a generic minecraft hosting software/xmcl/online hosted (aternos.org, etc)
2. log in world
3. exit
4. download world folder/move folder to xmcl [istance folder]/saves
5. log in the same world and you have a new UUID ([world]/userdata/xxxxxx.xxxx.xxxx.xxxxxxxxxxxx.dat)

Anything else?

logs (client and served sides), configurations (client and served sides), world (client and served sides) and video

server log.zip
client config.zip
client.zip
server config.zip

https://mega.nz/file/UbUwyBwS#cy5Wf_1oM_3xmh689SwnVozrRs_vsPmp_ZZU2XDUMBQ
https://mega.nz/file/BGkSFIab#K7Z4Do-z3zIgzMyPZ7qstDpWTldU9IAI9-oYxVbE29I
https://mega.nz/file/dakhRaob#3oT-vVKcLxy0I3vKfCh-qBUz_73xVGeJLa7O1vvOrCM