TMaps with instanced objects: modifying instanced object data in child affects parent

Given a TMap where the value type is an instanced object: when a child blueprint is saved with modifications to the TMap, and then additional TMap are added to the parent blueprint and the child blueprint reloaded, the new key-value pairs appear in the child blueprint as shallow copies of the instanced object. Making modifications to the child's instanced object also affects the parent's values.

Repro steps:

• Make an actor class that has the following TMap of instanced objects:

  UPROPERTY(EditAnywhere, AdvancedDisplay, Instanced, Category = AssetUserData)
  TMap<int32, TObjectPtr<UAssetUserData>> MyMap; 

• Create a blueprint BP_Parent and populate it with an entry: [1 = instance of AssetGuideline with GuidelineName = "OriginalValue1". Compile and save the blueprint.
• Create a child blueprint BP_Child and change the value of GuidelineName to "ChangedValue1". This means the child blueprint now has a modified value for MyMap. Compile and save the child.
• Add another entry to BP_Parent: 2 = instance of AssetGuideline with GuidelineName = "OriginalValue2". Compile and save.
• Notice that in BP_Child, the new entry doesn't appear to have propagated from parent to child. This is another bug: [Link Removed]
• Right click BP_Child in content browser and reload the asset. Notice that the entry now is propagated from parent to child.
• Now in BP_Child change entry [2]'s GuidelineName to "ChangedValue2".
  Result: In BP_Parent entry [2]'s value has also changed to "ChangedValue2". This implies the child was loaded with a shallow copy of the instanced object in the map.
  Expected: BP_Parent's data should be unaffected by the BP_Child's data change.

Additional info: Interestingly even after restarting the editor the parent and child blueprints point to the same instanced object.

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