[CF1] 405 erorr update

[deadlypants1973]

Summary

PCX-17250

Screenshots (optional)

Documentation checklist

• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

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PR Change Summary

Updated Browser Isolation documentation to enhance support for SAML applications and resolve HTTP 405 errors during SSO authentication flows.

• Enhanced support for SAML applications using HTTP-POST bindings in Browser Isolation.
• Resolved previous issues causing HTTP 405 errors and login loops during SSO authentication.
• Removed the need to isolate both Identity Provider and Service Provider for POST-based SSO.

Modified Files

• src/content/docs/cloudflare-one/policies/browser-isolation/known-limitations.mdx

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[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/cloudflare-one/policies/browser-isolation/	@maxvp, @ranbel, @cloudflare/pcx-technical-writing

[deadlypants1973]

related to #22387

[github-actions]

Preview URL: https://9759316d.preview.developers.cloudflare.com
Preview Branch URL: https://kate-fixes-405update.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/cloudflare-one/policies/browser-isolation/known-limitations/	https://kate-fixes-405update.preview.developers.cloudflare.com/cloudflare-one/policies/browser-isolation/known-limitations/