[Fonts] initiateFontLoadingByAccessingGlyphDataIfApplicable() operates on code units, not code points
<rdar://problem/114488476>
Pull request: https://github.com/WebKit/WebKit/pull/17102
Committed 267333@main (77879c827b3d): <https://commits.webkit.org/267333@main> Reviewed commits have been landed. Closing PR #17102 and removing active labels.