Fix CM package paths

[jchung01]

I must have messed this up in the merge.

[what-the-diff]

PR Summary

• File Relocation
  The DummyWorld.java file was relocated from the mods/compactmachines/render/ directory to mods/compactmachines/memory/ enhancing the organization of our files and matching its functionality.

• File Relocation and Name Change
  The UTProxyWorldMixin.java file was moved from the mods/compactmachines/render/mixin/ directory to the mods/compactmachines/memory/mixin/ directory. This change improves file categorization, creating a more intuitive and user-friendly project structure.

• Package Name Modification
  The mixins.mods.compactmachines.memory.json file underwent a package name modification from mods/compactmachines/mixin to mods/compactmachines/memory/mixin. This change ensures the package name accurately captures the file's purpose, making it simpler for team members to locate and utilize.