fix: Create ConsumerConfig independently in builder

src/KafkaFlow/Configuration/ConsumerConfigurationBuilder.cs

@@ -233,20 +233,9 @@ public IConsumerConfiguration Build(ClusterConfiguration clusterConfiguration)
         {
             var middlewareConfiguration = this.middlewareConfigurationBuilder.Build();
 
-            // Fazer um clone do ConsumerConfig ???? Ou copiar tudo aqui?
-            //this.consumerConfig ??= new ConsumerConfig();
-            //this.consumerConfig.BootstrapServers ??= string.Join(",", clusterConfiguration.Brokers);
-            //this.consumerConfig.GroupId ??= this.groupId;
-            //this.consumerConfig.AutoOffsetReset ??= this.autoOffsetReset;
-            //this.consumerConfig.MaxPollIntervalMs ??= this.maxPollIntervalMs;
-            //this.consumerConfig.StatisticsIntervalMs ??= this.statisticsInterval;
+            this.consumerConfig ??= new ConsumerConfig();
 
-            //this.consumerConfig.EnableAutoOffsetStore = false;
-            //this.consumerConfig.EnableAutoCommit = false;
-
-            //this.consumerConfig.ReadSecurityInformationFrom(clusterConfiguration);
-
-            var consumerConfigCopy = new ConsumerConfig();
+            var consumerConfigCopy = new KafkaFlowConsumerConfig(this.consumerConfig);
 
             consumerConfigCopy.BootstrapServers = this.consumerConfig?.BootstrapServers ?? string.Join(",", clusterConfiguration.Brokers);
             consumerConfigCopy.GroupId = this.consumerConfig?.GroupId ?? this.groupId;
@@ -259,10 +248,8 @@ public IConsumerConfiguration Build(ClusterConfiguration clusterConfiguration)
 
             consumerConfigCopy.ReadSecurityInformationFrom(clusterConfiguration);
 
-            this.consumerConfig = consumerConfigCopy;
-
             return new ConsumerConfiguration(
-                this.consumerConfig,
+                consumerConfigCopy,
                 this.topics,
                 this.topicsPartitions,
                 this.name,

src/KafkaFlow/Configuration/KafkaFlowConsumerConfig.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Confluent.Kafka;
+
+namespace KafkaFlow.Configuration
+{
+    internal class KafkaFlowConsumerConfig : ConsumerConfig
+    {
+        public KafkaFlowConsumerConfig(ConsumerConfig consumerConfig)
+            :base(consumerConfig)
+        {
+            this.properties = new Dictionary<string, string>(this.properties);
+        }
+    }
+}