Port aleph-node 8.2 testnet to mainnet branch

[Marcin-Radecki]

Following commands has been done:

git checkout release-8
git checkout -b port-8-X-Testnet-to-Mainnet
git merge release-8-mainnet # to pick up revert SCs change, resolved conflicts only in locks and toml files 
nvim bin/node/Cargo.toml # bump version to 0.8.2+mainnet
git commit -am "..."
git push -u origin HEAD

[timorl]

Just one comment, although might be important. <_<