Fix typings of dynamic suspense

[huozhi]

x-ref: #27611 (comment)

[huozhi]

dimiss review shortly to add a test

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
buildDuration	12.9s	12.9s	⚠️ +8ms
buildDurationCached	3.3s	3.3s	-48ms
nodeModulesSize	49.1 MB	49.1 MB	⚠️ +21 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.51	2.621	⚠️ +0.11
/ avg req/sec	995.86	953.74	⚠️ -42.12
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.348	1.435	⚠️ +0.09
/error-in-render avg req/sec	1854.68	1741.94	⚠️ -112.74

Client Bundles (main, webpack, commons)

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
745.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	23.3 kB	23.3 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	67.2 kB	67.2 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
_app-HASH.js gzip	979 B	979 B	✓
_error-HASH.js gzip	194 B	194 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	329 B	329 B	✓
dynamic-HASH.js gzip	2.67 kB	2.67 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	918 B	918 B	✓
image-HASH.js gzip	4.14 kB	4.14 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	318 B	318 B	✓
script-HASH.js gzip	387 B	387 B	✓
withRouter-HASH.js gzip	320 B	320 B	✓
bb14e60e810b..30f.css gzip	125 B	125 B	✓
Overall change	13 kB	13 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
_buildManifest.js gzip	492 B	492 B	✓
Overall change	492 B	492 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
index.html gzip	539 B	539 B	✓
link.html gzip	552 B	552 B	✓
withRouter.html gzip	532 B	532 B	✓
Overall change	1.62 kB	1.62 kB	✓

---

Webpack 4 Mode (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
buildDuration	10.3s	10.5s	⚠️ +142ms
buildDurationCached	4.3s	4.3s	-22ms
nodeModulesSize	49.1 MB	49.1 MB	⚠️ +21 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.471	2.484	⚠️ +0.01
/ avg req/sec	1011.78	1006.54	⚠️ -5.24
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.364	1.338	-0.03
/error-in-render avg req/sec	1833.15	1868.3	+35.15

Client Bundles (main, webpack, commons)

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
16.HASH.js gzip	186 B	186 B	✓
677f882d2ed8..HASH.js gzip	14.1 kB	14.1 kB	✓
framework.HASH.js gzip	41.9 kB	41.9 kB	✓
main-HASH.js gzip	10.7 kB	10.7 kB	✓
webpack-HASH.js gzip	1.19 kB	1.19 kB	✓
Overall change	68.1 kB	68.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
_app-HASH.js gzip	964 B	964 B	✓
_error-HASH.js gzip	3.8 kB	3.8 kB	✓
amp-HASH.js gzip	552 B	552 B	✓
css-HASH.js gzip	333 B	333 B	✓
dynamic-HASH.js gzip	2.87 kB	2.87 kB	✓
head-HASH.js gzip	3.06 kB	3.06 kB	✓
hooks-HASH.js gzip	924 B	924 B	✓
index-HASH.js gzip	231 B	231 B	✓
link-HASH.js gzip	1.64 kB	1.64 kB	✓
routerDirect..HASH.js gzip	298 B	298 B	✓
script-HASH.js gzip	3.03 kB	3.03 kB	✓
withRouter-HASH.js gzip	295 B	295 B	✓
30809af5c834..565.css gzip	125 B	125 B	✓
Overall change	18.1 kB	18.1 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
_buildManifest.js gzip	500 B	500 B	✓
Overall change	500 B	500 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js fix/dynamic-typings	Change
index.html gzip	584 B	584 B	✓
link.html gzip	597 B	597 B	✓
withRouter.html gzip	579 B	579 B	✓
Overall change	1.76 kB	1.76 kB	✓

Commit: 3c0823f