[Self-Hosted] SSO validation fails when OIDC provider returns issuer without trailing slash

(#731) Bug Fixed security self-hosting

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Comment by @DarkMarkus88
RexSystem 1 vote originally by @DarkMarkus88 on GitHub OP
Dont know why, but with the latest version 2026.713.220414, when OIDC issuer_url set in WebGUI admin, the trailing slash stays gone and it is persistent after re-compose and restart. Closed for now.