Companion for paritytech/substrate#12264 (#1661)

* Companion for paritytech/substrate#12264

* Fix more tests

* disable sc-network-transactions to check companion

* Fix node config in tests

* update lockfile for {"substrate", "polkadot"}

Co-authored-by: parity-processbot <>
Co-authored-by: alvicsam <alvicsam@gmail.com>