[CDF-25244] 🤛 Store metadata keys (#1751)

# Description

Stacked on <del>#1744 #1745, #1746, #1748, #1740, #1749, </del>#1750

<img width="294" height="618" alt="image"
src="https://github.com/user-attachments/assets/f767ed8a-be84-4911-9ebc-f4e28666c601"
/>



## Changelog

- [x] Patch
- [ ] Minor
- [ ] Skip

## cdf

### Added

- [alpha] The command `cdf profile asset-centric` now stores the
metadata keys in spreadsheet if spreadsheet argument is given.

## templates

No changes.

