Identify oidc Microsoft user by id received from https://graph.microsoft.com/v1.0/me

[splaunov]

Preflight checklist

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Describe your problem

In PHP world the socialite lib is a popular solution for OAuth logins such as Google, Apple and others.
In case of Microsoft provider they read user info from https://graph.microsoft.com/v1.0/me instead of the standard OAuth userinfo endpoint. This means that such users are identified by id received from me endpoint and not by sub field from userinfo.
https://github.com/SocialiteProviders/Microsoft/blob/3f4ec79e65c3a403a5fe70cccd28d23802f1981e/Provider.php#L64
This makes it hard to migrate PHP systems to Kratos, as oidc Microsoft provider in Kratos relies on sub field as user identifier.

Describe your ideal solution

Extend Microsoft oidc provider in Kratos to support this case.
Would you accept such PR?

Workarounds or alternatives

Implement a service to process requests before they come to Kratos and convert identifiers.
The conversion might take long or even never end if some users might not choose to re-logion for long.

Version

0.8

Additional Context

No response

[aeneasr]

Addressednon master