[Due for payment 2026-05-18] [Odometer] Edited start reading not reflected on Odometer tab after returning from confirmation page

[Julesssss]

Problem

When a saved-for-later odometer expense is reopened and the start reading is edited from the confirmation page, navigating back to the Odometer tab still shows the old start reading value in the input instead of the edited one.

Steps to reproduce:

1. Add a start reading and end reading in the Odometer request
2. Tap Save for later
3. Reopen the odometer request
4. Go to the confirmation page
5. Click on the distance and edit the start reading
6. Save
7. From the confirmation page, tap the back button
8. On the Odometer request page, the old start reading value is displayed in the input

Expected: The Odometer tab should display the edited start reading value, matching what's shown on the confirmation page.

Context: Regression from Odometer save-for-later PR #87726. The ODOMETER_DRAFT Onyx draft is not being updated when readings are edited via the confirmation page's distance edit flow, so the draft hydrates the input with stale data on return.

Repro video: https://github.com/user-attachments/assets/e20a9f15-eb02-42de-8151-c03bc8c46b6f

Originally reported in PR #87726 comment.

Issue Owner

Current Issue Owner: @DylanDylann

[jakubkalinski0]

Working on this now

[Julesssss]

@DylanDylann ready for your review

[Julesssss]

PR merged, I approved the final changes, but would appreciate a 2nd check @DylanDylann . Thanks

[mitarachim]

Deploy Blocker #90026 was identified to be related to the PR #89774 that attempted to fix this issue.

[melvin-bot]

⚠️ Looks like this issue was linked to a Deploy Blocker here

If you are the assigned CME please investigate whether the linked PR caused a regression and leave a comment with the results.

If a regression has occurred and you are the assigned CM follow the instructions here.

If this regression could have been avoided please consider also proposing a recommendation to the PR checklist so that we can avoid it in the future.