back slashes do not cancel code blocks

Can reproduce CR, same line or with enter space doesn't matter, \ stays with triple backticks. single backticks not affected: Canary Desktop 2026.901.185447, Web 2026.829.224002, Linux 7.0.0-30-generic (x64), Electron 42.10.0, Chrome 148.0.7778.280, Node 24.18.1, Locale en-US