Fix API permission for clients

[tituspijean]

I discovered that my Vaultwarden desktop client could not connect anymore. Changing the URL of the API from /identity/connect/token to only /identity fixed that.

We need to check if we don't expose sensitive endpoints doing that.

PR Status

• [x] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

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[tituspijean]

!testme

[yunohost-bot]

:sunflower: