A shallow copy algorithm for all persistable keyed container types

Sevda Esenrequested to merge
sevda-copy-for-all into 2024-patches

Line outputs need to be in line specific locations ie, /Event/LineName/ObjectType, this requires a copy before packing. Currently only possible for particles and flavor tags. Extending this to all types.

Goes with Moore!3323 (merged) Rec!3869 (merged)

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