message: chore: print tx_pool error through Display rather than Debug
diff: @@ -184,7 +184,7 @@ pub fn update_tx_pool_for_reorg(
  if let Err(e) = tx_pool.proposed_tx_and_descendants(cycles, size, tx) {
  debug_target!(
  crate::LOG_TARGET_TX_POOL,
  - "Failed to add proposed tx {}, reason: {:?}",
  + "Failed to add proposed tx {}, reason: {}",
  tx_hash,
  e
  );
  @@ -201,7 +201,7 @@ pub fn update_tx_pool_for_reorg(
  if let Err(e) = tx_pool.gap_tx(cycles, size, tx) {
  debug_target!(
  crate::LOG_TARGET_TX_POOL,
  - "Failed to add tx to gap {}, reason: {:?}",
  + "Failed to add tx to gap {}, reason: {}",
  tx_hash,
  e
  );
  