Filip Troníček 624c79f9f7
Respond to /idp/keys with JSON (#17789)
* Set JSON mimetype for `/idp/keys`

* Fix typos

* Test for header presence

* Assert JSON for ` /.well-known/openid-configuration` as well
2023-05-31 14:45:05 +08:00
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2023-05-31 14:45:05 +08:00