Attached Gameplay Cues with decals that override SetFadeOut will destroy their target actor on fade out

Burst GCs will destroy the target actor if you attach them to the target (FGameplayCueNotify_PlacementInfo::AttachPolicy) and override the decal fade out (FGameplayCueNotify_DecalInfo::bOverrideFadeOut). FGameplayCueNotify_DecalInfo::SpawnDecal calls UDecalComponent::SetFadeOut on the decal component but dosen't override the default value for the DestroyOwnerAfterFade parameter. As a result, the decal component destroys the target actor. 

• Create a burst gameplay cue
• Set the cue to attach to the target actor (FGameplayCueNotify_PlacementInfo::AttachPolicy)
• Override the fade out time (FGameplayCueNotify_DecalInfo::bOverrideFadeOut)
• Note that when the GC is executed that the target actor is destroyed by the spawned decal component.