use real command source for meteor commands

[RacoonDog]

Type of change

• Bug fix
• New feature

Description

• use real command source to prevent some argument types from crashing with a weird error
• add useful fields to Command
• lower Command memory usage

How Has This Been Tested?

i have secretly been implementing all of these as mixins in my addons for a while

Checklist:

• My code follows the style guidelines of this project.
• I have added comments to my code in more complex areas.
• I have tested the code in both development and production environments.