Add new public status index (#26344)

Co-authored-by: Eugen Rochko <[email protected]>
Co-authored-by: Claire <[email protected]>

app/controllers/api/v1/accounts/credentials_controller.rb

@@ -30,6 +30,7 @@ class Api::V1::Accounts::CredentialsController < Api::BaseController
       :bot,
       :discoverable,
       :hide_collections,
+      :indexable,
       fields_attributes: [:name, :value]
     )
   end