Snowbridge - Ethereum Client - Public storage items (#4501)
Changes the Ethereum client storage scope to public, so it can be set in a migration. When merged, we should backport to the all other release branches: - [ ] release-crates-io-v1.7.0 - patch release the fellows BridgeHubs runtimes https://github.com/paritytech/polkadot-sdk/pull/4504 - [ ] release-crates-io-v1.8.0 - https://github.com/paritytech/polkadot-sdk/pull/4505 - [ ] release-crates-io-v1.9.0 - https://github.com/paritytech/polkadot-sdk/pull/4506 - [ ] release-crates-io-v1.10.0 - https://github.com/paritytech/polkadot-sdk/pull/4507 - [ ] release-crates-io-v1.11.0 - https://github.com/paritytech/polkadot-sdk/pull/4508 - [ ] release-crates-io-v1.12.0 (commit soon)