Steps to Reproduce

1. import the attached file with 5.8.0.FL.20210831
2. append one character, a, at the end of the last line the text at G2, having a multi-lines text
or delete the text at F2

Current Result

the height of row 2 becomes into 1-line high

Expected Result

the height of row 2 keeps the same

Debug Information

• 5.7.0 doesn't have this bug