Handle `transaction_unconfirmed` as a full reorg to the tx height#1846

TheBlueMatt merged 1 commit intolightningdevkit:mainlightningdevkit/rust-lightning:mainfrom

TheBlueMatt:2022-11-more-robust-unconfirmedTheBlueMatt/rust-lightning:2022-11-more-robust-unconfirmedCopy head branch name to clipboard