Mutiple fixes

Fix shipping build by reworking Cog integration (now use a subsystem)
Fix crash when stopping and restarting in the editor

Source/CogSample/CogSampleConfigurationSubsystem.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "Subsystems/WorldSubsystem.h"
+#include "CogSampleConfigurationSubsystem.generated.h"
+
+UCLASS()
+class UCogSampleConfigurationSubsystem : public UWorldSubsystem
+{
+    GENERATED_BODY()
+public:
+    
+    virtual bool ShouldCreateSubsystem(UObject* Outer) const override;
+    virtual void Initialize(FSubsystemCollectionBase& Collection) override;
+    virtual void PostInitialize() override;
+
+private:
+    UPROPERTY()
+    TWeakObjectPtr<USubsystem> CogSubsystem;
+};