Merge pull request #1098 from PlayEveryWare/fix/wrapped-initialize-thread-affinity-null-case

fix: `WrappedInitializeThreadAffinity` `null` case

Author: paulhazen

com.playeveryware.eos/Runtime/Core/Config/PlatformConfig.cs

@@ -266,6 +266,14 @@ protected PlatformConfig(PlatformManager.Platform platform) :
             Platform = platform;
         }
 
+        protected override void OnReadCompleted()
+        {
+            base.OnReadCompleted();
+
+            // If thread affinity is null then instantiate it.
+            threadAffinity ??= new();
+        }
+
         #region Logic for Migrating Override Values from Previous Structure
 
         // This warning is suppressed because while EOSConfig is marked as