Backport of fix Pools 6->7 migration (#2942) (#3093)#3221

acatangiu merged 2 commits intorelease-crates-io-v1.6.0paritytech/polkadot-sdk:release-crates-io-v1.6.0from

bko-pools-migration-fix-to-1.6paritytech/polkadot-sdk:bko-pools-migration-fix-to-1.6Copy head branch name to clipboard