QTableWidget doesn't shifts focus smoothly across items with identical initials item.

1) Create a QTableWidget with m*n rows and columns in Qt Designer and give some layout to it.
2) Now, edit few rows with identical characters(the start of the items should be same character ex: abc, agc, adf.) and rest with different.

3) Now try to preview it with ctrl+r.

4) Select the first row.
5) Now press the identical keys present in the list, for ex "a" for the above given names.

Desired behavior : The focus should switch smoothly to items starting with "a".
Issue: the focus doesn't switch properly, it does switch few times and then it doesn't.