https://github.com/ProseMirror/prosemirror/issues/1552 https://github.com/ProseMirror/prosemirror/issues/1559 issue also exists in Chrome when pressing backspace in Chinese IME https://github.com/user-attachments/assets/ccfa27e9-2e03-4370-b623-c7c130f6cc03 case reproduce in the [repo](https://github.com/zunsthy/prosemirror-playground/tree/feature/br-issue) branch "feature/br-issue" same demo: [demo page](https://4z4y.top/pm/inline-node/pm-view-1.41.5.html)
