Fix: Session error on SSE endpoint

[sentry-io]

I am not sure why this is happening on the SSE endpoint. Can you check if we are doing something different. This should be the same like we did the other day. If the session legit expired, we shouldn't be capturing this error. Only when there is an actual issue.

Sentry Issue: SHELF-WEBAPP-HN

ShelfError: Something went wrong while valdiating the session
  File "/src/build/server/index.js", line 2346, in validateSession
    new ShelfError({
  File "/src/build/server/index.js", line 8401
    let isValidSession = await validateSession(auth.refreshToken);
  File "/src/build/server/index.js", line 8366, in logger2
    await next();
...
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