Umstellung auf UTC Timestamp

lib/network_messages/fin_task_message.dart

@@ -33,7 +33,7 @@ class Task {
   @JsonKey(name: 's_id')
   late int sId;
 
-  late String time;
+  late int time;
 
   FinTaskPos? pos;
 
@@ -47,7 +47,7 @@ class Task {
 @embedded
 @JsonSerializable()
 class FinTaskPos {
-  late String time;
+  late int time;
 
   late double lat;