Fixed #26667 -- Fixed a regression in queries on a OneToOneField that has to_field and primary_key=True.

Thanks Simon Charette for review.

Fixed #26672 -- Fixed HStoreField to raise ValidationError instead of crashing on non-dict JSON input.

Refs #26536.

Thanks Sylvain Fankhauser for the very detailed report.

Thanks Michael Bitzi for the reporti and Tim Graham for the review.