The cursor position is not correct. #470
Description
Describe the bug
When insert 2 empty blocks，and then insert a new on in the first block. the cursor poisition is not correct.
To Reproduce
(1). Insert 2 empty paragraph blocks.
(2). Focus on the first block, and insert a H1 block. The cursor will focus on the second block.
Expected
Hope the cursor stays on the current block not the next one.