Unhandled item components persistence (#2648)
* Raw components Alpha release 0.1-dev
* Small meta fix
* More internal property registrations
* Provide registry context in serialization
* More custom component filtering
* `PerIdPropertyDataRemover` for generic handling
* Spawner handling
* Last few properties
* Persist some spawner data for now
* Tad bit less NMS
* Naming
* Registry context in patch deserialization
* Very important fix
* Add meta
* Rename to `components_patch`
* Minor final cleanups
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commit: c0dfae0)
