port legacy ftd functions for backward compatibility (#1381)

* port legacy ftd functions for backward compatibility

* fix all tests

* name conversion, wrap functions in iife, basic set_value impl

* ftd.set_value implemented, fixed minor issues, wrapped ftd in iife

* implemented get_value, minor fixes

* updated tests

* fixed tests

fastn-core/src/package/package_doc.rs

@@ -514,14 +514,10 @@ pub(crate) async fn read_ftd_2023(
     }
 
     let js_ast_data = ftd::js::document_into_js_ast(main_ftd_doc);
-    let js_document_script = fastn_js::to_js(
-        js_ast_data.asts.as_slice(),
-        true,
-        config.package.name.as_str(),
-    );
+    let js_document_script =
+        fastn_js::to_js(js_ast_data.asts.as_slice(), config.package.name.as_str());
     let js_ftd_script = fastn_js::to_js(
         ftd::js::default_bag_into_js_ast().as_slice(),
-        false,
         config.package.name.as_str(),
     );
     let ssr_body = fastn_js::ssr_with_js_string(