Copies broadcast code from the server

PadelClub/Data/Club.swift

@@ -53,6 +53,12 @@ class Club : ModelObject, Storable, Hashable {
         self.broadcastCode = broadcastCode
     }
     
+    override func onServerInsert(serverCopy: any Storable) -> Bool {
+        guard let copy = serverCopy as? Club else { return false }
+        self.broadcastCode = copy.broadcastCode
+        return true
+    }
+
     func clubTitle(_ displayStyle: DisplayStyle = .wide) -> String {
         switch displayStyle {
         case .wide, .title: