fix page spot

Sources/dafl_project_flutter/lib/controller/controller.dart

@@ -41,11 +41,9 @@ class Controller {
   initUser() async {
     await setCurrentMusic();
     await setDiscoveries();
-    beginRoutine();
   }
 
-  beginRoutine() async {
-    await setSpots();
+  beginRoutine() {
     Timer.periodic(const Duration(seconds: 10), (Timer t) => setSpots());
   }
 

Sources/dafl_project_flutter/lib/controller/live_datas.dart

@@ -6,6 +6,6 @@ import '../model/spot.dart';
 class LiveData {
   bool discoveriesSortChoice = true;
   late LinkedHashMap<Music, DateTime> discoveries;
-  late List<Spot> spots;
+  List<Spot> spots = <Spot>[];
   late Music userCurrentMusic;
 }