fix(dev): ignore missing react-dom/client for react 17 (#6725)

Author: pcattori

.changeset/famous-games-film.md

@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": patch
+---
+
+ignore missing react-dom/client for react 17

packages/remix-dev/config/defaults/entry.dev.ts

@@ -6,7 +6,7 @@ export default () => {
   import("react/jsx-dev-runtime");
   import("react/jsx-runtime");
   import("react-dom");
-  import("react-dom/client");
+  import("react-dom/client").catch();
   import("react-refresh/runtime");
   import("@remix-run/react");
   import("remix:hmr");