WKFoundTextRange leaks an NSString due to missing -dealloc method to release _frameIdentifier. Regressed in 246550@main / commit 8a0510865f746177a4d722450285fa1195c8cd74 for: Bug 235693: Migrate _UITextSearching implementation to be backed by WebFoundTextRangeController https://bugs.webkit.org/show_bug.cgi?id=235693
<rdar://problem/103875585>
Pull request: https://github.com/WebKit/WebKit/pull/8192
Committed 258450@main (cc929d954b70): <https://commits.webkit.org/258450@main> Reviewed commits have been landed. Closing PR #8192 and removing active labels.