regression: do not update logged out sessions

[sampaiodiego]

Proposed changes (including videos or screenshots)

Regression for #35010 which was causing an issue when the same session was logging in and out multiple times.

The problem was that if the new log in was using the same sessionId as a previous one, that was probably logged out already, it was not creating a new session, so when the code was trying to to log out the session it couldn't find it, causing the error to be thrown.

I also changed to not throw an error if the session is not found.

W20250127-13:22:58.343(-3)? (STDERR) === UnHandledPromiseRejection ===
W20250127-13:22:58.344(-3)? (STDERR) Error: Session not found
W20250127-13:22:58.344(-3)? (STDERR)     at app/statistics/server/lib/SAUMonitor.ts:151:11
W20250127-13:22:58.344(-3)? (STDERR)     at processTicksAndRejections (node:internal/process/task_queues:105:5)
W20250127-13:22:58.344(-3)? (STDERR) ---------------------------------
W20250127-13:22:58.344(-3)? (STDERR) Errors like this can cause oplog processing errors.
W20250127-13:22:58.344(-3)? (STDERR) Setting EXIT_UNHANDLEDPROMISEREJECTION will cause the process to exit allowing your service to automatically restart the process
W20250127-13:22:58.344(-3)? (STDERR) Future node.js versions will automatically exit the process
W20250127-13:22:58.344(-3)? (STDERR) =================================

Issue(s)

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[dionisio-bot]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.17%. Comparing base (1ce1f80) to head (19c839b).
Report is 2 commits behind head on develop.

Additional details and impacted files

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  Coverage    59.17%   59.17%           
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  Files         2822     2822           
  Lines        68108    68108           
  Branches     15144    15144           
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  Hits         40303    40303           
  Misses       24974    24974           
  Partials      2831     2831           

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