Scroll To Text Fragments fragments should alwasy be scrolled to the cente of the screen.
<rdar://problem/99904303>
Pull request: https://github.com/WebKit/WebKit/pull/4340
Committed 254477@main (6ae0bcb1c73c): <https://commits.webkit.org/254477@main> Reviewed commits have been landed. Closing PR #4340 and removing active labels.