Bugfix: speed and altitude were set to 0m repeatedly (UI only. Data is okay).

Fixes #2258.

src/main/java/de/dennisguse/opentracks/data/models/Position.java

@@ -8,7 +8,7 @@ import androidx.annotation.Nullable;
 import java.time.Instant;
 
 public record Position(
-        @Nullable Instant time,
+        @Nullable Instant time, //TODO It may be a good idea to move time out of Position
         @Nullable Double latitude,
         @Nullable Double longitude,
         @Nullable Distance horizontalAccuracy,

src/main/java/de/dennisguse/opentracks/sensors/SensorManager.java

@@ -126,6 +126,7 @@ public class SensorManager implements SharedPreferences.OnSharedPreferenceChange
         gpsHandler.resetAggregated();
     }
 
+    @VisibleForTesting
     public GpsHandler getGpsHandler() {
         return gpsHandler;
     }

src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java

@@ -48,7 +48,8 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
 
     private static final String TAG = TrackRecordingService.class.getSimpleName();
 
-    private static final Duration RECORDING_DATA_UPDATE_INTERVAL = Duration.ofSeconds(1);
+    @VisibleForTesting
+    public static final Duration RECORDING_DATA_UPDATE_INTERVAL = Duration.ofSeconds(1);
 
     public static final RecordingStatus STATUS_DEFAULT = RecordingStatus.notRecording();
     public static final GpsStatusValue STATUS_GPS_DEFAULT = GpsStatusValue.GPS_NONE;

src/main/java/de/dennisguse/opentracks/services/handlers/TrackPointCreator.java

@@ -102,10 +102,10 @@ public class TrackPointCreator implements SharedPreferences.OnSharedPreferenceCh
         }
 
         if (lastTrackPointUISpeed != null)
-            position.with(lastTrackPointUISpeed.position().speed());
+            position = position.with(lastTrackPointUISpeed.position().speed());
 
         if (lastTrackPointUIAltitude != null)
-            position.with(lastTrackPointUIAltitude.position().altitude());
+            position = position.with(lastTrackPointUIAltitude.position().altitude());
 
         TrackPoint currentTrackPoint = new TrackPoint(
                 null,