Fix nested rsx expansion by not using template titles (#2799)

* Fix nested rsx expansion by not using template titles

* fix writers with nameless templates

* fix clippy

* dont commit vscode fix

* fix release mode, pull out __template_name

* fix axum_desktop

* Fix core tests

* Make most fields of HotReloadedTemplate public for testing

* wip: formatting, compare all diff cases

* slightly smarter diffing for dynamic nodes

* add a comment about generic node diffing

* clean up mutations a bit

* fix load template

* simplify maybe_rebuild

* Restore write mutations flag in web

* write_mutations -> skip_mutations

---------

Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

packages/web/src/hydration/hydrate.rs

@@ -151,11 +151,11 @@ impl WebsysDom {
                 self,
                 |to| {
                     // Switch to only writing templates
-                    to.only_write_templates = true;
+                    to.skip_mutations = true;
                 },
                 children.len(),
             );
-            self.only_write_templates = false;
+            self.skip_mutations = false;
         });
 
         // Flush the mutations that will swap the placeholder nodes with the resolved nodes