Onstart sync progressbar: init

lib/screens/telemetry_screen.dart

@@ -15,6 +15,7 @@ import '../widgets/path_management_dialog.dart';
 import '../helpers/cayenne_lpp.dart';
 import '../utils/battery_utils.dart';
 import '../helpers/snack_bar_builder.dart';
+import '../widgets/sync_progress_overlay.dart';
 
 class TelemetryScreen extends StatefulWidget {
   final Contact contact;
@@ -239,6 +240,7 @@ class _TelemetryScreenState extends State<TelemetryScreen> {
           ],
         ),
         centerTitle: false,
+        bottom: const SyncProgressAppBarBottom(),
         actions: [
           PopupMenuButton<String>(
             icon: Icon(isFloodMode ? Icons.waves : Icons.route),