fix playwright flakey test, upgrade to blacksmith runners for more things, cargo update to fix rfd build (#5228)

* attempt fix for flakey playwright test

* fix link

* disable blitz-shell file dialog

* remove rfd integration in native for now

* undo file-dialog pass-thru in anticipation of blitz-shell update

* upgrade to blacksmith

* blitz-shell bump

* use faster runner

packages/playwright-tests/fullstack.spec.js

@@ -4,6 +4,9 @@ const { test, expect } = require("@playwright/test");
 test("hydration", async ({ page }) => {
   await page.goto("http://localhost:3333");
 
+  // Then wait for the page to start loading
+  await page.goto("http://localhost:3333", { waitUntil: "networkidle" });
+
   // Expect the page to contain the pending text.
   const main = page.locator("#main");
   await expect(main).toContainText("Server said: ...");