Fix last seen point

Author: wangwillian0

lib/accessory/accessory_registry.dart

@@ -111,6 +111,8 @@ class AccessoryRegistry extends ChangeNotifier {
         ))
         .toList();
 
+      reports.sort((a, b) => (b.timestamp ?? DateTime(0)).compareTo(a.timestamp ?? DateTime(0)));
+
       if (reports.isNotEmpty) {
         var lastReport = reports.first;
         accessory.lastLocation = LatLng(lastReport.latitude, lastReport.longitude);

lib/findMy/decrypt_reports.dart

@@ -51,6 +51,7 @@ class DecryptReports {
     final decryptedLocationChunk = reportChunk.mapIndexed((index, report) {
       final derivedKey = _kdf(sharedKeyChunk[index], ephemeralKeyChunk[index]);
       final payloadData = report.payload;
+      _decodeTimeAndConfidence(payloadData, report);
       final encData = payloadData.sublist(62, 72);
       final tag = payloadData.sublist(72, payloadData.length);
       final decryptedPayload = _decryptPayload(encData, derivedKey, tag);