Fix Allen UT geometry

Addressing the issue: Allen#467 (closed)

This patch will resolve the Allen UT decoding issue for the 2024-expected MC by correcting the UT geometry dumping. As a result, HLT1 VeloUT will become operational once again.

Test with: Allen!1407 (merged)

FYI: @dovombru @bkhanji @ascarabo @hawu @bjashal @adeoyang