Revert "Bugfix: on idle detection reset movement-based sensor data."

This reverts commit fd9646bb1f.

src/main/java/de/dennisguse/opentracks/sensors/sensorData/Aggregator.java

@@ -55,9 +55,7 @@ public abstract class Aggregator<Input, Output> {
     /**
      * Reset long term aggregated values (more than derived from previous SensorData). e.g. overall distance.
      */
-    public void reset() {
-        value = getNoneValue();
-    }
+    public void reset() {}
 
     /**
      * Is the data recent considering the current time.

src/main/java/de/dennisguse/opentracks/sensors/sensorData/AggregatorBarometer.java

@@ -37,5 +37,10 @@ public class AggregatorBarometer extends Aggregator<AtmosphericPressure, Altitud
         return new AltitudeGainLoss(0f, 0f);
     }
 
+    @Override
+    public void reset() {
+        value = getNoneValue();
+    }
+
     public record Data(Altitude gain, Altitude loss) {}
 }

src/main/java/de/dennisguse/opentracks/sensors/sensorData/AggregatorGPS.java

@@ -16,6 +16,11 @@ public class AggregatorGPS extends Aggregator<Position, Position> {
         value = current.value();
     }
 
+    @Override
+    public void reset() {
+        value = null;
+    }
+
     @NonNull
     @Override
     protected Position getNoneValue() {

src/main/java/de/dennisguse/opentracks/sensors/sensorData/AggregatorHeartRate.java

@@ -15,11 +15,6 @@ public class AggregatorHeartRate extends Aggregator<HeartRate, HeartRate> {
         this.value = current.value();
     }
 
-    @Override
-    public void reset() {
-        // We don't need to reset the heart rate as this value is valid for a certain amount of time: and it is not an aggregate.
-    }
-
     @NonNull
     @Override
     protected HeartRate getNoneValue() {