Cleanup.

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/Steps/ConvertData.cs

@@ -120,8 +120,11 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
                 yield return FieldConverters.ForNestedName2Name(ValueConverters.ExcludeHidden());
             }
 
-            yield return FieldConverters.ExcludeChangedTypes();
+            if (context.ShouldCleanup())
-            yield return FieldConverters.ForNestedName2Name(ValueConverters.ExcludeChangedTypes());
+            {
+                yield return FieldConverters.ExcludeChangedTypes();
+                yield return FieldConverters.ForNestedName2Name(ValueConverters.ExcludeChangedTypes());
+            }
 
             if (cleanReferences != null)
             {

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/ConvertContent/FieldConvertersTests.cs

@@ -189,7 +189,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
                     .AddValue("en", null)
                     .AddValue("de", 1);
 
-            var result = FieldConverters.ExcludeChangedTypes()(source, field);
+            var result = FieldConverters.ForValues(ValueConverters.ExcludeChangedTypes())(source, field);
 
             Assert.Same(source, result);
         }
@@ -204,7 +204,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
                     .AddValue("en", "EN")
                     .AddValue("de", 0);
 
-            var result = FieldConverters.ExcludeChangedTypes()(source, field);
+            var result = FieldConverters.ForValues(ValueConverters.ExcludeChangedTypes())(source, field);
 
             Assert.Null(result);
         }