Issue Description: Open a world, quit it, and open a second world make minecraft load it forever

• Dynmap Version: Dynmap-3.7-beta-4-forge-1.20
• Server Version: forge 1.20.1 build 47.2.30
• Steps to Replicate: Open a world, quit it, and open a second world

[x] I have looked at all other issues and this is not a duplicate
[x] I have been able to replicate this

dynmap does not support clients, it is a server only mod/plugin.