[JSC] Use AppleICU SPI for canonicalization
Created attachment 423807 [details] Patch
Created attachment 424324 [details] Patch
Created attachment 424334 [details] Patch
Created attachment 424341 [details] Patch
Created attachment 424392 [details] Patch
Committed r275115 (235821@main): <https://commits.webkit.org/235821@main>
<rdar://problem/75903196>