[Due for payment 2025-07-28] Investigate workflow job failing on main: typecheck / typecheck

[github-actions]

🚨 Failure Summary 🚨:

• 📋 Job Name: typecheck / typecheck
• 🔧 Failure in Workflow: Process new code merged to main
• 🔗 Triggered by PR: PR Link
• 👤 PR Author: @FitseTLT
• 🤝 Merged by: @iwiznia
• 🐛 Error Message:
  failure: Process completed with exit code 2.
  failure: Argument of type 'string | undefined' is not assignable to parameter of type 'OnyxEntry<{ avatarUrl?: string | undefined; chatType?: ValueOf<{ readonly POLICY_ANNOUNCE: "policyAnnounce"; readonly POLICY_ADMINS: "policyAdmins"; readonly TRIP_ROOM: "tripRoom"; readonly GROUP: "group"; ... 5 more ...; readonly SYSTEM: "system"; }> | undefined; ... 49 more ...; welcomeMessage?: string | undefined...'.
  warning: Cache not found for keys: Linux-desktop-node-modules-bdc8f0ac87b8216e09667eed89dfbb618a5490ee674f1012da8d2eb8f97779de

⚠️ Action Required ⚠️:

🛠️ A recent merge appears to have caused a failure in the job named typecheck / typecheck.
This issue has been automatically created and labeled with Workflow Failure for investigation.

👀 Please look into the following:

1. Why the PR caused the job to fail?
2. Address any underlying issues.

🐛 We appreciate your help in squashing this bug!

[iwiznia]

Asked @FitseTLT to investigate #65690 (comment)
My guess is that branch was not up to date with main...

[FitseTLT]

raised pr #66618

[melvin-bot]

Reviewing label has been removed, please complete the "BugZero Checklist".