OData connector updates null values with Filter old results turned on

(Migrated from https://github.com/syndesisio/syndesis/issues/6294)

Author: @jsafarik
Assignees: phantomjinx,

This is a...

[pre][code]
[ ] Feature request
[ ] Regression (a behavior that used to work and stopped working in a new release)
[x] Bug report [!-- Please search GitHub for a similar issue or PR before submitting --]
[ ] Documentation issue or request
[/code][/pre]

Description

When doing simple integration OData (Read) -> Data Mapper -> OData (Update)
!image
with this configuration:
!image
and updating other entity then the one specified in OData read configuration, the first run of integration run as supposed. BUT the second run updates with null values. See below:
!image