Lexical version: 0.6.4

Steps To Reproduce

1. make bold non-first word
2. click on clear
3. editorState still gives bold format

Link to code example:

https://codesandbox.io/s/mutable-browser-tsk7n2?file=/src/App.tsx

The current behavior

Bold state is not reset after clearing formatting

The expected behavior

Bold state is set to false after clearing formatting