fix: 🐛 handled page rendering errors properly at initial load

Now returns nuanced error rather than blank 500, as subsequent loads do.

packages/perseus-actix-web/src/initial_load.rs

@@ -4,6 +4,7 @@ use actix_web::{http::StatusCode, web, HttpRequest, HttpResponse};
 use perseus::error_pages::ErrorPageData;
 use perseus::router::{match_route, RouteInfo, RouteVerdict};
 use perseus::{
+    err_to_status_code,
     serve::get_page_for_template_and_translator, ConfigManager, ErrorPages, SsrNode,
     TranslationsManager, Translator,
 };
@@ -127,8 +128,12 @@ pub async fn initial_load<C: ConfigManager, T: TranslationsManager>(
             .await;
             let page_data = match page_data {
                 Ok(page_data) => page_data,
+                // We parse the error to return an appropriate status code
                 Err(err) => {
-                    return html_err(500, &err.to_string());
+                    return html_err(
+                        err_to_status_code(&err),
+                        &err.to_string()
+                    );
                 }
             };