Add details to Mural API errors (#4886)

apps/labrinth/src/auth/mod.rs

@@ -85,6 +85,7 @@ impl actix_web::ResponseError for AuthenticationError {
         HttpResponse::build(self.status_code()).json(ApiError {
             error: self.error_name(),
             description: self.to_string(),
+            details: None,
         })
     }
 }

apps/labrinth/src/auth/oauth/errors.rs

@@ -105,6 +105,7 @@ impl actix_web::ResponseError for OAuthError {
             HttpResponse::build(self.status_code()).json(ApiError {
                 error: &self.error_type.error_name(),
                 description: self.error_type.to_string(),
+                details: None,
             })
         }
     }