Sub 1 Sat/vB With Absolute Fee Not Working

[thibistaken]

Reported by user on X: https://x.com/BtcAndres/status/1983338741327663169?t=dhUvOu5dvunI2kPauknCFw&s=19

[kumulynja]

Please test if this issue wasn't fixed already in #1394

[ethicnology]

I've successfully broadcasted many transactions 0.1 sat/vb

The fee calculation has some mistakes still