Ignore union cases for properties

Author: cartermp

mdoc/Mono.Documentation/Updater/Formatters/FSharpFormatter.cs

@@ -391,7 +391,7 @@ private void AppendProperties(TypeDefinition type, StringBuilder buf)
 
                 if (IsRecord(type) || IsDiscriminatedUnion(type))
                 {
-                    props = props.Where(p => !GetFSharpFlags(p.CustomAttributes).Any(ca => ca == SourceConstructFlags.Field))
+                    props = props.Where(p => !GetFSharpFlags(p.CustomAttributes).Any(ca => ca == SourceConstructFlags.Field || ca == SourceConstructFlags.UnionCase))
                                  .OrderBy(p => p.FullName);
                 }