fix: Prevents a null IMemberNode to update

[YerkoAndrei]

PR Details

Fixed an error when duplicating an Entity with a not null List<T> variable crashes the editor. This happen when T is something referenceable in a scene like Entities or Components.

When trying to cast a Node as IMemberNode, it resulted in a null and the editor crashing, this PR just prevent to call Update on a null.

Related Issue

2255

Types of changes

• [ ] Docs change / refactoring / dependency upgrade
• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [ ] My change requires a change to the documentation.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.
• [x] I have built and run the editor to try this change out.

[YerkoAndrei]

@dotnet-policy-service agree

[Eideren]

Thanks for this @YerkoAndrei ! Opened a new issue for this as you can see above