f: Stop trimming HTLCs from claim once batch_size is 0

Author: tankyleo

lightning/src/events/bump_transaction/mod.rs

@@ -1041,6 +1041,9 @@ where
 							channel_type,
 						) + 1;
 					batch_size = batch_size.checked_sub(htlcs_to_remove as usize).ok_or(())?;
+					if batch_size == 0 {
+						return Err(());
+					}
 					continue;
 				},
 			};