avoid club assign at all times

PadelClubData/Data/DataStore.swift

@@ -111,6 +111,9 @@ public class DataStore: ObservableObject {
     }
     
     fileprivate func _fixMissingClubCreatorIfNecessary(_ clubsCollection: SyncedCollection<Club>) {
+        
+        if self.user.clubs.count > 0 { return }
+        
         for club in clubsCollection {
             if let userId = StoreCenter.main.userId, club.creator == nil {
                 club.creator = userId