ref(nextjs): Swith to pure OTEL performance instrumentation instead of build-time instrumentation for pages router pages

[lforst]

Ref #13737

• Stuff to figure out:
  • Can we completely disable build-time instrumentation or will error monitoring stop working?
  • We need to propagate trace data to the frontend somehow.

[codecov]

❌ 7 Tests Failed:

Tests completed	Failed	Passed	Skipped
235	7	228	6

View the top 3 failed tests by shortest run time

isomorphic/getServerSideProps.test.ts Should record performance for getServerSideProps

Stack Traces | 1.47s run time

getServerSideProps.test.ts:4:5 Should record performance for getServerSideProps

isomorphic/getInitialProps.test.ts should propagate serverside `getInitialProps` trace to client

Stack Traces | 1.53s run time

getInitialProps.test.ts:4:5 should propagate serverside `getInitialProps` trace to client

pages-ssr-errors.test.ts Will capture error for SSR rendering error with a connected trace (Functional Component)

Stack Traces | 30s run time

pages-ssr-errors.test.ts:22:5 Will capture error for SSR rendering error with a connected trace (Functional Component)

To view individual test run time comparison to the main branch, go to the Test Analytics Dashboard