Pass wire options property instead of null to deserialize call (Azure#51970)

* Pass wire options property instead of null to deserialize call

* Fix recursive call

Author: JoshLove-msft

sdk/eventgrid/Azure.Messaging.EventGrid.SystemEvents/src/Customization/EventGridModelFactory.cs

@@ -541,7 +541,7 @@ public static MapsGeofenceEventProperties MapsGeofenceEventProperties(IReadOnlyL
         [EditorBrowsable(EditorBrowsableState.Never)]
         public static AcsChatThreadCreatedWithUserEventData AcsChatThreadCreatedWithUserEventData(CommunicationIdentifierModel recipientCommunicationIdentifier, string transactionId, string threadId, DateTimeOffset? createTime, long? version, CommunicationIdentifierModel createdByCommunicationIdentifier, IReadOnlyDictionary<string, object> properties, IReadOnlyList<AcsChatThreadParticipantProperties> participants)
         {
-            return AcsChatThreadCreatedWithUserEventData(recipientCommunicationIdentifier, transactionId, threadId, createTime, version, createdByCommunicationIdentifier, properties, participants);
+            return AcsChatThreadCreatedWithUserEventData(recipientCommunicationIdentifier, transactionId, threadId, createTime, version, createdByCommunicationIdentifier, properties, null, participants);
         }
 
         /// <summary> Initializes new instance of AcsChatThreadCreatedEventData class. </summary>

sdk/eventgrid/Azure.Messaging.EventGrid/EventGridSourceGenerator/src/EventGridSourceGenerator.cs

@@ -223,7 +223,7 @@ public static object AsSystemEventData(string eventType, JsonElement data)
                 sourceBuilder.AppendIndentedLine(3,
                     $"if (eventTypeSpan.Equals(SystemEventNames.{sysEvent.EventConstantName}.AsSpan(), StringComparison.OrdinalIgnoreCase))");
                 sourceBuilder.AppendIndentedLine(4,
-                    $"return {sysEvent.EventName}.{sysEvent.DeserializeMethod}(data, null);");
+                    $"return {sysEvent.EventName}.{sysEvent.DeserializeMethod}(data, ModelSerializationExtensions.WireOptions);");
             }
             sourceBuilder.AppendIndentedLine(3, "return null;");
             sourceBuilder.AppendIndentedLine(2, "}");