Udi.Create expects an entity type, so it fails when a UDI string is passed as value

Author: abjerner

src/Skybrud.Umbraco.MultiNodeTreePicker/PropertyEditors/ValueConverters/MntpValueConverter.cs

@@ -43,7 +43,7 @@ public override PropertyCacheLevel GetPropertyCacheLevel(IPublishedPropertyType
         public override object ConvertSourceToIntermediate(IPublishedElement owner, IPublishedPropertyType propertyType, object source, bool preview) {
             return source?.ToString()
                 .Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries)
-                .Select(Udi.Create)
+                .Select(UdiParser.Parse)
                 .ToArray();
         }