Validate chunk size when persist

What does this MR do?

It seems we don't validate data size when sending data to a persistent store.

This means if get_data failed to get the complete data, the corrupted data will be persisted. In this case, BuildTraceChunkFlushWorker should retry.

Related: https://gitlab.com/gitlab-org/gitlab-ce/issues/51502

What are the relevant issue numbers?

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• [-] Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• [-] Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.