Multithreaded Lock during deserialization - (describes fix)

[gjroelofs]

fullserializer/Assets/FullSerializer/Source/Internal/fsPortableReflection.cs

Line 111 in dbea7d5

if (_cachedAttributeQueries.TryGetValue(query, out attribute) == false) {

For anyone else that is trying to debug lock ups during mass load scenarios; this line is not multithreading safe (as well as FullInspector's InspectedType.Caching.cs acces on _cachedMetadata) which causes issues when Unity starts to multithread Behaviour/ScriptableObject deserialization.

Both the static caches need to be locked on to fix this issue.