Custom Machinery 1.21.1-0.10.50

Additions :

• Machine creation list now displays when the machine was created and last modified.
• Machine creation list can now be sorted alphabetically or by modification date.
• Started working on machine upgrades editor.
  • Currently only able to create and delete upgrades, more to come soon.
  • Accessible using /cm upgrades while in-world.

BugFix :

• Fix crash due to sound being null (again).