Steps to reproduce:
1. Open "COI.aln".
2. Press tool button "enable collapsing".
3. Start selection in sequences name list and then go for the lower boundary of the list
Expected state: Ugene not crashes
Current bug state: Ugene crashes
Steps to reproduce:
1. Open "COI.aln".
2. Press tool button "enable collapsing".
3. Start selection in sequences name list and then go for the lower boundary of the list
Expected state: Ugene not crashes
Current bug state: Ugene crashes