session save laptime of previous lap

Author: durandom

telemetry/models/session.py

@@ -223,6 +223,7 @@ def analyze_other(self, telemetry, now) -> None:
                 self.previous_lap.valid = previous_lap_was_valid
                 self.previous_lap.finished = True
                 logger.debug(f"lap {self.previous_lap.number} time {lap_time_previous} valid {previous_lap_was_valid}")
+                self.previous_lap.save_dirty_fields()
 
         self.previous_distance = distance
         self.previous_lap_time = lap_time