revert to using a simple shallowCopy for ops #323
Merged
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Previously, ops were copied by iterating over them in pubsub. This was changed in #316 to copy the specific properties expected on an op. Copying the specific properties is faster than iterating and allows use of specifically typed objects.
However, this ended up being a breaking change, because middleware could be adding additional fields to the top level of the op, which do end up getting committed and fetched. Perhaps a way to add additional op fields explicitly should be implemented, but for now, let's just revert, since this was not intended to be breaking.