chore: add DemoModeGuardMiddleware logging

[constantinius]

• clanup of old hardcoded routes

Related to https://linear.app/getsentry/issue/TET-87/remove-sentryio-sandbox-redirect

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #92926      +/-   ##
==========================================
+ Coverage   85.31%   87.93%   +2.61%     
==========================================
  Files       10256    10299      +43     
  Lines      591639   591675      +36     
  Branches    22989    22942      -47     
==========================================
+ Hits       504768   520265   +15497     
+ Misses      86380    70966   -15414     
+ Partials      491      444      -47     

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ OperationalError: OperationalError('server closed the connection unexpectedly\n\tThis probably means the server terminated abnormally\n\tbefore or while processing the request.\n') /api/0/organizations/{organization_id_or_slug}/... View Issue
• ‼️ OperationalError: OperationalError('server closed the connection unexpectedly\n\tThis probably means the server terminated abnormally\n\tbefore or while processing the request.\n') /auth/login/{organization_slug}/ View Issue

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