Write out more clearly that the diagnotics endpoint will invoke token…

… requests

IdentityServer/v7/docs/content/bff/session/management/diagnostics.md

@@ -5,7 +5,7 @@ date: 2022-12-29T10:22:12+02:00
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-The */bff/diagnostics* endpoint returns the current user and client access token for testing purposes.
+The */bff/diagnostics* endpoint returns the current user and client access token for testing purposes. The endpoint tries to retrieve and show current tokens. It may invoke both a refresh token flow for the user access token and a client credential flow for the client access token.
 
 To use the diagnostics endpoint, make a GET request to */bff/diagnostics*. Typically this is done in a browser to diagnose a problem during development.