lnwatcher: set future_tx regardless of tx_was_added, because it is not persisted
lnwatcher: set future_tx regardless of tx_was_added, because it is not persisted

spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,spesmilo/electrum,spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,spesmilo/electrum