[Desktop] When I type double "enter" key，the style on h1 was gone.

[RaySnow]

My issue is about [Desktop] , windows 11. There is some thing wrong when I type the "enter" key，the style on h1 was gone.

Data before: [{"insert":"test123"},{"insert":"\n","attributes":{"header":1}}]
Data after: [{"insert":"test123\n\n"},{"insert":"\n","attributes":{"header":1}}]
Step：
1. enter
2. enter
3. backspace
4. backspace
5. enter
6. enter