* 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>
(cherry picked from commit 68ce53ae17)
* Group entity menu by the displayed name instead of by the prototype
* Sort entity menu by the displayed name (with label) in current culture
(cherry picked from commit 9b97c7f2f2)