StrictRedirectUriValidatorAppAuth allow path after port

[VictorioBerra]

As per RFC8252 Section 7.3. Loopback Interface Redirection here https://tools.ietf.org/html/rfc8252#section-7.3

What issue does this PR address?
#3974

Does this PR introduce a breaking change?
No.

Please check if the PR fulfills these requirements

• The commit follows our guidelines
• Unit Tests for the changes have been added (for bug fixes / features)

Other information:

[stale]

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[VictorioBerra]

Please leave open.

[leastprivilege]

Thanks. Closing in favour of an alternative implementation.

[lock]

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.