test: add test for basic dynamic import with react 18 hydration

[huozhi]

x-ref: #35728

The hydration mismatch is fixed by #35732, that document could collect the dyamic imports module ids before the shell is flushed. Add a test for it

[ijjk]

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General

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
buildDuration	15.4s	15.3s	-52ms
buildDurationCached	6s	6s	⚠️ +8ms
nodeModulesSize	477 MB	477 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.963	2.947	-0.02
/ avg req/sec	843.6	848.2	+4.6
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.22	1.208	-0.01
/error-in-render avg req/sec	2048.65	2069.05	+20.4

Client Bundles (main, webpack)

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
925.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42 kB	42 kB	✓
main-HASH.js gzip	28.4 kB	28.4 kB	✓
webpack-HASH.js gzip	1.44 kB	1.44 kB	✓
Overall change	72.1 kB	72.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
_app-HASH.js gzip	1.36 kB	1.36 kB	✓
_error-HASH.js gzip	192 B	192 B	✓
amp-HASH.js gzip	309 B	309 B	✓
css-HASH.js gzip	327 B	327 B	✓
dynamic-HASH.js gzip	3.05 kB	3.05 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	920 B	920 B	✓
image-HASH.js gzip	5.48 kB	5.48 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	2.26 kB	2.26 kB	✓
routerDirect..HASH.js gzip	320 B	320 B	✓
script-HASH.js gzip	387 B	387 B	✓
withRouter-HASH.js gzip	319 B	319 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	15.7 kB	15.7 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
_buildManifest.js gzip	460 B	460 B	✓
Overall change	460 B	460 B	✓

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	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
index.html gzip	531 B	531 B	✓
link.html gzip	545 B	545 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.6 kB	1.6 kB	✓

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Default Build with SWC (Increase detected ⚠️)

General

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
buildDuration	18s	17.9s	-53ms
buildDurationCached	6s	6.1s	⚠️ +64ms
nodeModulesSize	477 MB	477 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.964	2.979	⚠️ +0.02
/ avg req/sec	843.33	839.24	⚠️ -4.09
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.224	1.2	-0.02
/error-in-render avg req/sec	2043.01	2083.51	+40.5

Client Bundles (main, webpack)

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
925.HASH.js gzip	178 B	178 B	✓
framework-HASH.js gzip	42.3 kB	42.3 kB	✓
main-HASH.js gzip	28.8 kB	28.8 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	72.7 kB	72.7 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
_app-HASH.js gzip	1.35 kB	1.35 kB	✓
_error-HASH.js gzip	179 B	179 B	✓
amp-HASH.js gzip	313 B	313 B	✓
css-HASH.js gzip	325 B	325 B	✓
dynamic-HASH.js gzip	3.03 kB	3.03 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	921 B	921 B	✓
image-HASH.js gzip	5.59 kB	5.59 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	2.33 kB	2.33 kB	✓
routerDirect..HASH.js gzip	322 B	322 B	✓
script-HASH.js gzip	388 B	388 B	✓
withRouter-HASH.js gzip	317 B	317 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	15.8 kB	15.8 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js test/legacy-dynamic-react-18	Change
index.html gzip	532 B	532 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	527 B	527 B	✓
Overall change	1.6 kB	1.6 kB	✓

Commit: 7356666