push ordenar por timestamp

lib/src/models/event_model.dart

@@ -65,6 +65,7 @@ Future<List<Event>> getByProId(String day) async {
         .where('professional_id', isEqualTo: uid)
         .where('day', isEqualTo: day.toString())
         .where('status', isEqualTo: 'aprobado')
+        .orderBy('Timestamp', descending: true)
         .get();
 
     List<Event> eventos = [];
@@ -141,6 +142,7 @@ class Event {
   int? tarifa;
   bool professionalScored;
   bool userScored;
+  Timestamp? timeStamp;
 
   Event({
     this.id,
@@ -156,6 +158,7 @@ class Event {
     this.longitud,
     this.latitud,
     this.status = 'pendiente',
+    this.timeStamp,
     this.tarifa,
     this.professionalScored = false,
     this.userScored = false,
@@ -176,6 +179,7 @@ class Event {
       longitud: json['longitude'] ?? 0,
       latitud: json['latitude'] ?? 0,
       status: json['status'],
+      timeStamp: json['Timestamp'] ?? 0,
       tarifa: json['tarifa'] ?? 0,
       professionalScored: json['professional_scored'],
       userScored: json['user_scored'],