Only return previously confirmed Txids from CM's `get_relevant_txids()`#1998

TheBlueMatt merged 2 commits intolightningdevkit:mainlightningdevkit/rust-lightning:mainfrom

tnull:2023-01-no-none-in-channel-relevant-txidstnull/rust-lightning:2023-01-no-none-in-channel-relevant-txidsCopy head branch name to clipboard