rename track when renaming file if it only contains one track, closes #75

website/src/lib/components/file-list/MetadataDialog.svelte

@@ -47,6 +47,9 @@
                     if (item instanceof ListFileItem && node instanceof GPXFile) {
                         file.metadata.name = name;
                         file.metadata.desc = description;
+                        if (file.trk.length === 1) {
+                            file.trk[0].name = name;
+                        }
                     } else if (item instanceof ListTrackItem && node instanceof Track) {
                         file.trk[item.getTrackIndex()].name = name;
                         file.trk[item.getTrackIndex()].desc = description;