Move TelephoneNumberDetector preloading off the main thread. We have evidence that prewarmGlobally() can be slow and hang the main thread for too long. As a result, it is a good idea to prewarm things off the main thread whenever possible.
Created attachment 424191 [details] Patch
<rdar://problem/75807499>
Comment on attachment 424191 [details] Patch r=me
Committed r274985: <https://commits.webkit.org/r274985> All reviewed patches have been landed. Closing bug and clearing flags on attachment 424191 [details].