fix: add part number to segment

Author: fredj

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@geoblocks/edittrack",
-  "version": "2.0.0-beta.4",
+  "version": "2.0.0-beta.7",
   "description": "Geoblocks edittrack",
   "scripts": {
     "eslint": "eslint src test demos",

package.json

@@ -241,14 +241,14 @@ export default class TrackManager<POIMeta> {
           this.onTrackChanged_();
         } else {
           // control point
-          // FIXME multi lines: check this
           const {deleted, pointBefore, pointAfter, newSegment} = this.trackData_.deleteControlPoint(selected);
 
           // remove deleted features from source
           deleted.forEach(f => this.source_.removeFeature(f));
 
           // add newly created segment to source
           if (newSegment) {
+            newSegment.set('part', this.trackData_.part);
             this.source_.addFeature(newSegment);
           }