Enable Transformations on Writes to Write a list of entities to online store

Is your feature request related to a problem? Please describe.
Enable Transformations on Writes to Write a list of entities to online store

Describe the solution you'd like
When you explode a list of objects with an entity, you should be able to write it.

This is particularly useful when you have a document that you want to explode into sentences that are also embedded for vector retrieval. This mapping is 1->n.

Describe alternatives you've considered
N/A

Additional context
Encountered during: #5109