SearchKit - Fix links to non-aggregage join fields

[colemanw]

Overview

Fixes a regression introduced by #21420

Before

Create a search for contacts with related contacts. Observe link to the related contact in the results column is broken.

After

Link fixed.

[civibot]

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[kurund]

@colemanw

Tested and it fixes the regression on contact relationship search display. Good to merge after test pass.