Support assetPrefix specific protocol

[genetschneider]

This PRs takes into account the protocol of the assetPrefix if exists instead of solely relying on local browser protocol.

Fixes: #31139
Closes: #31217

[neeraj3029]

Hey @ijjk this change would be helpful for me, if merged!
It would be great to see this in v12.0.4

[ijjk]

Thanks!

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
buildDuration	21.2s	21s	-168ms
buildDurationCached	4.2s	4.4s	⚠️ +245ms
nodeModulesSize	333 MB	333 MB	⚠️ +549 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.4	3.479	⚠️ +0.08
/ avg req/sec	735.27	718.69	⚠️ -16.58
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.553	1.558	⚠️ +0.01
/error-in-render avg req/sec	1609.93	1604.31	⚠️ -5.62

Client Bundles (main, webpack, commons)

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	28.1 kB	28.1 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	71.9 kB	71.9 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
_app-HASH.js gzip	1.23 kB	1.23 kB	✓
_error-HASH.js gzip	194 B	194 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	327 B	327 B	✓
dynamic-HASH.js gzip	2.38 kB	2.38 kB	✓
head-HASH.js gzip	350 B	350 B	✓
hooks-HASH.js gzip	635 B	635 B	✓
image-HASH.js gzip	4.44 kB	4.44 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	1.87 kB	1.87 kB	✓
routerDirect..HASH.js gzip	321 B	321 B	✓
script-HASH.js gzip	383 B	383 B	✓
withRouter-HASH.js gzip	318 B	318 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
_buildManifest.js gzip	460 B	460 B	✓
Overall change	460 B	460 B	✓

Rendered Page Sizes

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
index.html gzip	524 B	524 B	✓
link.html gzip	535 B	535 B	✓
withRouter.html gzip	518 B	518 B	✓
Overall change	1.58 kB	1.58 kB	✓

---

Default Build with SWC (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
buildDuration	22.1s	22.4s	⚠️ +248ms
buildDurationCached	4.2s	4.2s	⚠️ +97ms
nodeModulesSize	333 MB	333 MB	⚠️ +549 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.417	3.454	⚠️ +0.04
/ avg req/sec	731.62	723.83	⚠️ -7.79
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.656	1.638	-0.02
/error-in-render avg req/sec	1509.41	1526.17	+16.76

Client Bundles (main, webpack, commons)

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.3 kB	42.3 kB	✓
main-HASH.js gzip	28.2 kB	28.2 kB	✓
webpack-HASH.js gzip	1.43 kB	1.43 kB	✓
Overall change	72.1 kB	72.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
_app-HASH.js gzip	1.22 kB	1.22 kB	✓
_error-HASH.js gzip	180 B	180 B	✓
amp-HASH.js gzip	305 B	305 B	✓
css-HASH.js gzip	321 B	321 B	✓
dynamic-HASH.js gzip	2.38 kB	2.38 kB	✓
head-HASH.js gzip	342 B	342 B	✓
hooks-HASH.js gzip	622 B	622 B	✓
image-HASH.js gzip	4.46 kB	4.46 kB	✓
index-HASH.js gzip	256 B	256 B	✓
link-HASH.js gzip	1.91 kB	1.91 kB	✓
routerDirect..HASH.js gzip	314 B	314 B	✓
script-HASH.js gzip	375 B	375 B	✓
withRouter-HASH.js gzip	309 B	309 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	genetschneider/next.js-1 fix-https-connections	Change
index.html gzip	523 B	523 B	✓
link.html gzip	536 B	536 B	✓
withRouter.html gzip	516 B	516 B	✓
Overall change	1.57 kB	1.57 kB	✓

Commit: 0e809db