Cannot scroll a frozen sheet when a mouse hovers on the left frozen columns

Steps to Reproduce

1. load the attached file
2. click the "row column" sheet. Hover the mouse on the left frozen columns (column A~C) and scrolls the sheet with the mouse wheel.
It succeeds.

3. select "row" sheet
4. click the "row column" sheet again
5. do step 2 again

Current Result

the sheet doesn't scroll

Expected Result

the sheet can be scrolled