Admin API: fix `GET /api/pleroma/admin/users/:nickname/credentials` returning...

Admin API: fix `GET /api/pleroma/admin/users/:nickname/credentials` returning 404 when getting the credentials of a remote user while `:instance, :limit_to_local_content` is set to `:unauthenticated`
9 jobs for admin-api-user-credentials-for-remote-users-fix in 14 minutes and 29 seconds (queued for 3 seconds)
Status Job ID Name Coverage
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passed #125701
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00:02:42

 
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passed #125705
analysis

00:03:05

passed #125704
lint

00:02:16

passed #125702
unit-testing

00:06:37

passed #125714
unit-testing-rum

00:05:38

failed #125703
unit-testing-rum

00:06:06

 
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manual #125708
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