Fix fullstack serialization order for adjacent components (#4600)

* fix serialization order

* add regression test

* split out test into a seperate package

* revert logging

* change order

* opinions on structure

* small wait in hydration order test

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/playwright-tests/playwright.config.js

@@ -144,6 +144,15 @@ module.exports = defineConfig({
       reuseExistingServer: !process.env.CI,
       stdout: "pipe",
     },
+    {
+      cwd: path.join(process.cwd(), "fullstack-hydration-order"),
+      command:
+        'cargo run --package dioxus-cli --release -- run --force-sequential --web --addr "127.0.0.1" --port 7979',
+      port: 7979,
+      timeout: 50 * 60 * 1000,
+      reuseExistingServer: !process.env.CI,
+      stdout: "pipe",
+    },
     {
       cwd: path.join(process.cwd(), "cli-optimization"),
       // Remove the cache folder for the cli-optimization build to force a full cache reset