fix(nbp): abort finalize action if no relationship exists

When appending a return statement to a method call, either with `and` or `&&`,
the return won't happen if there is a tailing one-line if statement.

Part of XI-6523

app/controllers/users/nbp_wallet_controller.rb

@@ -38,7 +38,7 @@ def relationship_status
 
     def finalize
       relationship = Enmeshed::Relationship.pending_for(@provider_uid)
-      abort_and_refresh(relationship) and return if relationship.blank?
+      return abort_and_refresh(relationship) if relationship.blank?
 
       accept_and_create_user(relationship)
     rescue Enmeshed::ConnectorError, Faraday::Error => e