Fixed issue that private setter where not used during input deserialization.

Author: michaelstaib

src/Core/Types.Tests/Types/InputObjectTypeTests.cs

@@ -1027,7 +1027,7 @@ public async Task Input_With_Immutable_ClrType()
 
             // act
             IExecutionResult result = await executor.ExecuteAsync(
-                "{ do(input: { bar: \"abc\" baz: \"def\" }) { bar baz } }");
+                "{ do(input: { bar: \"abc\" baz: \"def\" qux: \"ghi\" }) { bar baz qux } }");
 
             // assert
             result.MatchSnapshot();
@@ -1168,6 +1168,7 @@ public FooImmutable(string bar, string baz)
 
             public string Bar { get; }
             public string Baz { get; set; }
+            public string Qux { get; private set; }
         }
     }
 }

src/Core/Types.Tests/Types/__snapshots__/InputObjectTypeTests.Input_With_Immutable_ClrType.snap

@@ -2,7 +2,8 @@
   "Data": {
     "do": {
       "bar": "abc",
-      "baz": "def"
+      "baz": "def",
+      "qux": "ghi"
     }
   },
   "Extensions": {},

src/Core/Types/Utilities/Serialization/InputObjectFactoryCompiler.cs

@@ -127,7 +127,7 @@ private static IEnumerable<Expression> SetFields(
             foreach (InputField field in fields.Values)
             {
                 Expression value = GetFieldValue(field, data, converter);
-                yield return Expression.Call(instance, field.Property.GetSetMethod(), value);
+                yield return Expression.Call(instance, field.Property.GetSetMethod(true), value);
             }
         }