[BUG] Elevation data "freezes" in some regions

[antagonist-0]

Hi,
For some paths, the elevation just turns to a constant value. It seems to only happen in that specific region of the map.

Here is the gpx file data centered around the problem:

<gpx creator="https://gpx.studio" version="1.1" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd http://www.garmin.com/xmlschemas/PowerExtension/v1 http://www.garmin.com/xmlschemas/PowerExtensionv1.xsd http://www.topografix.com/GPX/gpx_style/0/2 http://www.topografix.com/GPX/gpx_style/0/2/gpx_style.xsd" xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v1" xmlns:gpxx="http://www.garmin.com/xmlschemas/GpxExtensions/v3" xmlns:gpxpx="http://www.garmin.com/xmlschemas/PowerExtension/v1" xmlns:gpx_style="http://www.topografix.com/GPX/gpx_style/0/2">
 <metadata>
   <name>New file 2</name>
   <author>
     <name>gpx.studio</name>
     <link href="https://gpx.studio"/>
   </author>
 </metadata>
 <trk>
   <name>New file 2</name>
   <trkseg>
     <trkpt lat="63.318234" lon="10.001148">
       <ele>239</ele>
     </trkpt>
     <trkpt lat="63.318225" lon="10.000922">
       <ele>239</ele>
     </trkpt>
     <trkpt lat="63.318177" lon="10.000489">
       <ele>240</ele>
     </trkpt>
     <trkpt lat="63.318135" lon="10.000007">
       <ele>241.25</ele>
     </trkpt>
     <trkpt lat="63.318278" lon="9.999528">
       <ele>241.25</ele>
     </trkpt>
     <trkpt lat="63.318441" lon="9.99934">
       <ele>241.25</ele>
     </trkpt>
     <trkpt lat="63.318543" lon="9.999191">
       <ele>241.25</ele>
     </trkpt>
   </trkseg>
 </trk>
</gpx>