Fix club not being added to the user after setting the creator

PadelClub/Data/DataStore.swift

@@ -141,6 +141,7 @@ class DataStore: ObservableObject {
         for club in clubsCollection {
             if let userId = Store.main.userId, club.creator == nil {
                 club.creator = userId
+                self.userStorage.item()?.addClub(club)
                 clubsCollection.writeChangeAndInsertOnServer(instance: club)
             }
         }

PadelClub/Data/User.swift

@@ -102,6 +102,12 @@ class User: ModelObject, UserBase, Storable {
         }
     }
     
+    func addClub(_ club: Club) {
+        if !self.clubs.contains(where: { $0.id == club.id }) {
+            self.clubs.append(club.id)
+        }
+    }
+    
     enum CodingKeys: String, CodingKey {
         case _id = "id"
         case _username = "username"