- Refactor to use the `frame` crate.
- Use procedural macro version `construct_runtime` in mock.
- Expose `PalletId` to `frame::pallet_prelude`.
- Part of #6202.

---

Polkadot address: 156HGo9setPcU2qhFMVWLkcmtCEGySLwNqa3DaEiYSWtte4Y

---------

Signed-off-by: Xavier Lau <x@acg.box>
Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Giuseppe Re <giuseppe.re@parity.io>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>