Fixed Elastic Social Reindexing Task for invalid Target References

The Elastic Social Reindex Task stopped in case of destroyed comment target references. This is fixed now.

(CMS-14620)

Fixed Elastic bson serializer for nested objects

The elastic bson serializer did not serialize nested objects correctly, a CodecException was thrown when trying to serialize a nested Object that has no specific TypeConverter. For example, an Object with a SubObject that contains a SubSubObject was not serialized correctly regarding the SubSubObject. Now a recursive call was added to serialize all SubObjects without specific TypeConverters correctly.

(CMS-14399)