Convert remaining entry.client test files to HydratedRouter

Author: brophdawg11

integration/vite-css-test.ts

@@ -45,15 +45,15 @@ const files = {
   "app/entry.client.tsx": js`
     import "./entry.client.css";
 
-    import { RouterProvider } from "react-router-dom";
+    import { HydratedRouter } from "react-router-dom";
     import { startTransition, StrictMode } from "react";
     import { hydrateRoot } from "react-dom/client";
 
     startTransition(() => {
       hydrateRoot(
         document,
         <StrictMode>
-          <RouterProvider />
+          <HydratedRouter />
         </StrictMode>
       );
     });

integration/vite-spa-mode-test.ts

@@ -323,15 +323,15 @@ test.describe("SPA Mode", () => {
             </html>
           `,
           "app/entry.client.tsx": js`
-            import { RouterProvider } from "react-router-dom";
+            import { HydratedRouter } from "react-router-dom";
             import { startTransition, StrictMode } from "react";
             import { hydrateRoot } from "react-dom/client";
 
             startTransition(() => {
               hydrateRoot(
                 document.querySelector("#app"),
                 <StrictMode>
-                  <RouterProvider />
+                  <HydratedRouter />
                 </StrictMode>
               );
             });