Prevent Sentry "report issue" popup from showing up when token expires

[smadbe]

Overview

When left open for a long time (e.g. computer reopened), sessions (typically anonymous ones as there are 2h-long I think) cause a 401 when trying the extend the cookie lifetime and it is too late. The behavior is normal but the a Sentry modal is displayed in this case, which should not be the case.

Acceptance criteria

• Don't display the sentry modal when an anonymous session expires and receive a 401.

[smadbe]

As discussed, also include the following change:

• Make sure HTTP response errors are considered as Error (suggested solution: Non-Error exception captured with keys: error, headers, message, name, ok getsentry/sentry-javascript#2292 (comment))