CWalletTx initialization has been fixed so it's no longer necessary to change
which wallet a transaction is bound to.
This concludes backport of Core [[https://github.com/bitcoin/bitcoin/pull/9381 | PR9381]] [5/5]
https://github.com/bitcoin/bitcoin/pull/9381/commits/28b112e9bd3fd1181c0720306051ba7efca8b436
Depends on D9077