* Convert all shader prototype string literals to protoids in overlays
* Convert more shader prototype literal strings to protoids
* Convert ValidatePrototypeId to ProtoId
* Later
* Use new Subs.CVar helper
Removes manual config OnValueChanged calls, removes need to remember to manually unsubscribe.
This both reduces boilerplate and fixes many issues where subscriptions weren't removed on entity system shutdown.
* Fix a bunch of warnings
* More warning fixes
* Use new DateTime serializer to get rid of ISerializationHooks in changelog code.
* Get rid of some more ISerializationHooks for enums
* And a little more
* Apply suggestions from code review
Co-authored-by: 0x6273 <0x40@keemail.me>
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Co-authored-by: 0x6273 <0x40@keemail.me>
