front: guard times-stops arrival interpolation against stale simulation data

Author: Akctarus

front/src/modules/timesStops/hooks/useTimesStopsTableData.ts

@@ -365,10 +365,15 @@ const useTimesStopsTableData = (
             const matchingReportTrainIndex = stableTrain.positions.findIndex(
               (position) => position === op.position
             );
+            const isWithinRange =
+              op.position >= stableTrain.positions[0] &&
+              op.position <= stableTrain.positions[stableTrain.positions.length - 1];
             const computedArrivalMs =
-              matchingReportTrainIndex === -1
-                ? interpolateValue(stableTrain, op.position, 'times')
-                : stableTrain.times[matchingReportTrainIndex];
+              matchingReportTrainIndex !== -1
+                ? stableTrain.times[matchingReportTrainIndex]
+                : isWithinRange
+                  ? interpolateValue(stableTrain, op.position, 'times')
+                  : undefined;
             computedArrival =
               computedArrivalMs !== undefined
                 ? new Duration({ milliseconds: computedArrivalMs })