Improved reverse swap invoice handling

Don't try to pay expired invoice and handle failed reverse swap more reliable.

Fix exception

Fixes exception when the monitoring loop cancels a expired prepay invoice before its associated swap invoice.

Improved Logging

Print debug log traces if error occurs, even when logging is set > DEBUG to make debugging errors easier.

Important improvements

• Search all inputs of a claim tx for swap preimage instead of only the first one.
• Improve HTLC replaying on CLN restart.
• Always consolidate the JsonDB in DEBUG mode to make it more readable

More improvements

Add a method to cleaner delete successful reverse swaps.
Make fee bumping of claim tx functional by fetching 0 conf transactions from backend.

Improvements

Improved logging
Remove swap after refund is confirmed

It kinda works now

Swaps seem to work fine and stable in normal conditions. Please report bugs and don't risk real funds.