Fix deserialization of additional repeated list

Author: Havret

src/Protobuf.System.Text.Json/ProtobufConverter.cs

@@ -87,13 +87,14 @@ private static Func<FieldDescriptor, string> GetConvertNameFunc(JsonNamingPolicy
             }
 
             var propertyName = reader.GetString();
-            reader.Read();
-
+            
             if (propertyName == null || !_fieldsLookup.TryGetValue(propertyName, out var fieldInfo))
             {
+                reader.Skip();
                 continue;
             }
 
+            reader.Read();
             fieldInfo.Converter ??= InternalConverterFactory.Create(fieldInfo);
             fieldInfo.Converter.Read(ref reader, obj, fieldInfo.FieldType, options, fieldInfo.Accessor);
         }

test/Protobuf.System.Text.Json.Tests/Protos/schema_evolution.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+option csharp_namespace = "System.Text.Json.Protobuf.Tests";
+
+message SchemaEvolutionV1 {
+  int32 property_1 = 1;
+}
+
+message SchemaEvolutionV2 {
+  int32 property_1 = 1;
+  repeated int32 property_2 = 2;
+}

test/Protobuf.System.Text.Json.Tests/SchemaEvolutionTests.cs

@@ -0,0 +1,32 @@
+using System.Text.Json;
+using System.Text.Json.Protobuf.Tests;
+using Protobuf.System.Text.Json.Tests.Utils;
+using Shouldly;
+using Xunit;
+
+namespace Protobuf.System.Text.Json.Tests;
+
+public class SchemaEvolutionTests
+{
+    [Fact]
+    public void Should_be_able_to_deserialize_array_of_schema_v2_to_array_of_schema_v1_when_schema_v2_has_additional_repeated_field()
+    {
+        // Arrange
+        var schemaEvolutionV2 = new[]
+        {
+            new SchemaEvolutionV2
+            {
+                Property1 = 1,
+                Property2 = { 2, 3 }
+            }
+        };
+        var jsonSerializerOptions = TestHelper.CreateJsonSerializerOptions();
+        var serialized = JsonSerializer.Serialize(schemaEvolutionV2, jsonSerializerOptions);
+
+        // Act
+        var deserialized = JsonSerializer.Deserialize<SchemaEvolutionV1[]>(serialized, jsonSerializerOptions);
+
+        // Assert
+        deserialized.ShouldHaveSingleItem();
+    }
+}