fix: remove astro from noExternal

packages/astro/src/core/create-vite.ts

@@ -19,7 +19,6 @@ const ALWAYS_EXTERNAL = new Set([
   ...builtinModules.map((name) => `node:${name}`),
   '@sveltejs/vite-plugin-svelte',
   '@proload/core',
-  require.resolve('@proload/core'),
   '@babel/core',
   'babel-plugin-module-resolver',
   'serialize-javascript',
@@ -31,9 +30,6 @@ const ALWAYS_EXTERNAL = new Set([
   'unified',
   'whatwg-url',
 ]);
-const ALWAYS_NOEXTERNAL = new Set([
-	'astro', // This is only because Vite's native ESM doesn't resolve "exports" correctly.
-]);
 
 // note: ssr is still an experimental API hence the type omission
 export type ViteConfigWithSSR = vite.InlineConfig & { ssr?: { external?: string[]; noExternal?: string[] } };
@@ -76,7 +72,7 @@ export async function createVite(inlineConfig: ViteConfigWithSSR, { astroConfig,
     // Note: SSR API is in beta (https://vitejs.dev/guide/ssr.html)
     ssr: {
       external: [...ALWAYS_EXTERNAL],
-      noExternal: [...ALWAYS_NOEXTERNAL],
+      noExternal: [],
     },
   };