server: switch pages to react dom edge renderer (#55318)
This PR fixes the warnings that have started to appear because of #54813
```
Warning: Detected multiple renderers concurrently rendering the same context provider. This is currently unsupported.
at PathnameContextProviderAdapter (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/shared/lib/router/adapters.shared-runtime.js:84:11)
at Be (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:47625)
at Ze (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:48314)
at div
at Ye (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:55388)
Warning: Detected multiple renderers concurrently rendering the same context provider. This is currently unsupported.
at PathnameContextProviderAdapter (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/shared/lib/router/adapters.shared-runtime.js:84:11)
at Be (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:47625)
at Ze (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:48314)
at div
at Ye (/Users/feedthejim/Projects/vercel/next.js/packages/next/dist/compiled/next-server/pages.runtime.dev.js:1:55388)
```
they appear because we are using two variants versions of `react-dom` on the server between pages and app router. This changes so that we only use one when you use app and as such, makes the warning disappear.
