This is a call to register the Coretime parachain. Once registered, the rest of the Kusama system can upgrade to v1.2.0, migrating all leases to Coretime. A separate referendum will start the sale of Coretime via the Coretime chain.

This is based off of the Coretime runtime in the [Fellowship v1.2.0 release](https://github.com/polkadot-fellows/runtimes/releases/tag/v1.2.0).

See [`Pallet::dispatch_whitelisted_call_with_preimage`].

- **Problem Statement:** Register the Coretime parachain to enable the upgrade to v1.2.0 for the Kusama system.
- **Significance:** Facilitates the migration of all leases to Coretime, enhancing the functionality of the system.
- **Proposed Solution:** Register Coretime parachain and initiate the sale of Coretime via the Coretime chain.
- **Expected Outcomes:** Seamless upgrade to v1.2.0, improved system functionality, and increased efficiency in managing leases.

#372 Register Coretime Parachain