Update sso-saml-technical.rst (#7772)

* Update sso-saml-technical.rst

Added details of the SAML Chrome Panel extension for troubleshooting.

* Update sso-saml-technical.rst

Changed link to be the same format as other links (not Markdown!)

* Update sso-saml-technical.rst

Trying to encourage the link to be a link

* Update sso-saml-technical.rst

It needs a trailing underscore??? 🤯

source/onboard/sso-saml-technical.rst

@@ -141,4 +141,10 @@ The Active Directory Object-Guid attribute (LDAP display name ``objectGUID``) is
 Does ``relaystate`` need to be passed back to the client from the identity provider?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Yes. If you're integrating Mattermost with a provider that doesn't already do so by default, ensure that ``relaystate`` is enabled. See the PingIdentity `SAML RelayState <https://support.pingidentity.com/s/article/SAML-RelayState-and-PingFederate#:~:text=RelayState%20is%20an%20optional%20parameter,the%20SAML%202.0%20bindings%20specification>`_ documentation for details.
+Yes. If you're integrating Mattermost with a provider that doesn't already do so by default, ensure that ``relaystate`` is enabled. See the PingIdentity `SAML RelayState <https://support.pingidentity.com/s/article/SAML-RelayState-and-PingFederate#:~:text=RelayState%20is%20an%20optional%20parameter,the%20SAML%202.0%20bindings%20specification>`_ documentation for details.
+
+How can I troubleshoot the SAML logon process?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The most useful tool that we've found for troubleshooting SAML connection issues is the `SAML Chrome Panel <https://chromewebstore.google.com/detail/paijfdbeoenhembfhkhllainmocckace?utm_source=item-share-cp>`_ Chrome extension.  
+We're not aware of similar tools for other browsers, but this tool justifies installing Chrome!