Holdings data not discoverable when item record is suppressed

Overview:
When item record is suppressed and instance and holding records are not, then instance record is discoverable but holdings record is not.
Steps to Reproduce:
#Select record with underlying MARC source (source=MARC filter selected), with holdings and items

1. Make sure that holdings record has for example electronic access populated.
2. Suppress item record.
3. Harvest records with the from date set to current date in format yyyy-mm-dd

Expected Results:
Instance and holdings record are discoverable (856 field with electronic access is populated)
Actual Results:
Instance data is discoverable but holdings is not

Additional Information:
In attached examples, the file with suppressed item, should contain field 856 and it doesn't.