CVE-2026-119332: LadybirdBrowser ladybird: Ladybird is a truly independent web browser

Ladybird is a truly independent web browser. Prior to 209579c96473c75bd5eba9701fcadb841a045964, FinalizationRegistry::cleanup in Libraries/LibJS/Runtime/FinalizationRegistry.cpp removed a dead record from mrecords, retained an iterator to the next FinalizationRecord, and then invoked...