fix: wrong lag calc

node/service/src/relay_chain_selection.rs

@@ -442,7 +442,7 @@ where
 		self.metrics.note_disputes_finality_lag(lag_disputes);
 
 		// 4. Apply the maximum safeguard to the finality lag.
-		if lag > MAX_FINALITY_LAG {
+		if lag_disputes > MAX_FINALITY_LAG {
 			// We need to constrain our vote as a safety net to
 			// ensure the network continues to finalize.
 			let safe_target = initial_leaf_number - MAX_FINALITY_LAG;