[$1000] Chat - Removed reactions by other user offline still displayed after going online

[lanitochka17]

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**Issue found when executing PR ** #17996

Action Performed:

Precondition: Login as users A & B on Web ; a chat exists between them

1. Open https://staging.new.expensify.com/
2. As users A & B open the common chat
3. As user A add reactions to a message
4. As user B add reactions to a different message
5. As user A go offline
6. As user A remove added reactions
7. As user B remove added reactions
8. As user A go online
9. As user A reload the page

Expected Result:

After user A goes online and also after they reload the page - user A doesn't see reactions removed by users A & B at steps 6-7

Actual Result:

After user A goes online - they don't see reactions removed by user A BUT still see reactions removed by user B. (Web, mWeb, Desktop app behaviour).
After user A goes online - they still see both removed reactions from users A &B. (iOS app, Android app behaviour).
Issue persists after reloading the page / restarting the app

Workaround:

Unknown

Platforms:

Which of our officially supported platforms is this issue occurring on?

• Android / native
• Android / Chrome
• iOS / native
• iOS / Safari
• MacOS / Safari
• MacOS / Desktop

Version Number: 1.3.44.0

Reproducible in staging?: Yes

Reproducible in production?: Yes

If this was caught during regression testing, add the test name, ID and link from TestRail:

Email or phone of affected tester (no customers):

Logs: https://stackoverflow.com/c/expensify/questions/4856

Notes/Photos/Videos: Any additional supporting documentation

Bug6137083_Recording__795.mp4

Expensify/Expensify Issue URL:

Issue reported by: Applause - Internal Team

Slack conversation:

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Upwork Automation - Do Not Edit

• Upwork Job URL: https://www.upwork.com/jobs/~016d3092dcc6629c8a
• Upwork Job ID: 1683362853973221376
• Last Price Increase: 2023-08-03

[OSBotify]

👋 Friendly reminder that deploy blockers are time-sensitive ⏱ issues! Check out the open StagingDeployCash deploy checklist to see the list of PRs included in this release, then work quickly to do one of the following:

1. Identify the pull request that introduced this issue and revert it.
2. Find someone who can quickly fix the issue.
3. Fix the issue yourself.

[melvin-bot]

Triggered auto assignment to @robertjchen (Engineering), see https://stackoverflow.com/c/expensify/questions/4319 for more details.

[robertjchen]

Thanks for the report! Looks like we have at least another regression coming off that PR: #23307

I wouldn't say this would be a deploy blocker per-se, just a regression. We can get it addressed without blocking the deploy 👍

[melvin-bot]

Job added to Upwork: https://www.upwork.com/jobs/~016d3092dcc6629c8a