[Data Ingest] Ensure grid cell ID and date are available for vetting dataset

[aashish24]

Background:
The prototype is missing metadata pass-through; the vetting UI needs these fields.

Requirements (Data Task Checklist):

• Ensure the ingestion pipeline populates grid cell ID and recording date for each file.
• The source may be NABat, GUANO, or ingest-time mapping, but must be applied consistently.

Acceptance criteria:

• Newly ingested vetting files have grid cell ID and recording date populated and displayed.