Restore SSG serve logic (#4111)

* Build ssg routes when both the client and server builds are finished

* Fix default server fn encoding

* fix tokio console

* fix ssg

* add prerendering message

* render under the same environment variables as normal

* fix check

* use should_bundle_to_asset

* enable ssg playwright test

* fix clippy

packages/cli-opt/src/lib.rs

@@ -65,6 +65,13 @@ impl AssetManifest {
         self.assets.get(path)
     }
 
+    /// Get the first asset that matches the given source path
+    pub fn get_first_asset_for_source(&self, path: &Path) -> Option<&BundledAsset> {
+        self.assets
+            .get(path)
+            .and_then(|assets| assets.iter().next())
+    }
+
     /// Check if the manifest contains a specific asset
     pub fn contains(&self, asset: &BundledAsset) -> bool {
         self.assets