Expense - System message changes from "changed the attendees to.." to "set the attendees to.."

[lorretheboy]

Explanation of Change

Fixed Issues

$ #75653
PROPOSAL: #75653 (comment)

Tests

Precondition:

• Attendee tracking is enabled in workspace settings > Rules.
• Account has working self DM.

1. Go to staging.new.expensify.com
2. Go to self DM.
3. Click + > Create expense > Manual.
4. Enter amount > Next,
5. On confirm page, click Attendee.
6. Add another attendee and save it.
7. Click Create expense.
8. Open the expense thread.
9. Click Attendee field.
10. Add another attendee then turn off internet --> then save it.
11. Verify that System message should be "set the attendees to Y".

• Verify that no errors appear in the JS console

Offline tests

QA Steps

Same as Tests

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
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Screenshots/Videos

Android: Native

e-android.mov

Android: mWeb Chrome

website.android.mov

iOS: Native

e-ios.mov

iOS: mWeb Safari

website.ios.mov

MacOS: Chrome / Safari

website.mov

[codecov]

Codecov Report

❌ Looks like you've decreased code coverage for some files. Please write tests to increase, or at least maintain, the existing level of code coverage. See our documentation here for how to interpret this table.

Files with missing lines	Coverage Δ
src/libs/ModifiedExpenseMessage.ts	91.48% <100.00%> (+0.85%)	⬆️
src/libs/ReportUtils.ts	87.17% <100.00%> (-0.02%)	⬇️
... and 7 files with indirect coverage changes

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[Krishna2323]

make sure we add a unit test in the FE for the attendees order issue.

@lorretheboy

[Krishna2323]

@lorretheboy please add [Hold] to the title. We need to wait for the BE changes.

[lorretheboy]

@Krishna2323 I think we can continue review this PR now as it is hold for pretty long time and also BE changes doesn't related to it...

[Krishna2323]

@youssef-lr We still need to fix this, and changed seems like the correct word since it was changed from the default.

Either way, this needs a fix—even if we decide to use set, the system message briefly shows “changed…” (optimistically) and then updates to “set…”. See: #75653 (comment)

@lorretheboy we might need more changes on the FE.

[lorretheboy]

@Krishna2323 I have updated to use set

Screen.Recording.2026-06-08.at.06.23.32.mov

[lorretheboy]

@Krishna2323 What do you think about new update?

[heyjennahay]

LGTM

[lorretheboy]

@Krishna2323 Friendly bump for your thoughts

[Krishna2323]

@lorretheboy, I think we still need confirmation on this comment. We can't merge without addressing it.

@youssef-lr, could you please take a look? The issue and PR have been open for months now. 🙏🏻

[Krishna2323]

@lorretheboy is this ready for review?

[lorretheboy]

It is ready @Krishna2323