The issue was created after DEV-34-RELEASE sprint review after reviewing UGENE-5431.
Scenario:
- Open "_common_data/scenarios/msa/ma2_gapped.aln".
- Remove all columns except the first one.
- Toggle the collapsing mode.
Expected result: there are two collapsed groups. - Select the second sequence.
- Open the second group.
Expected result: sequences in the second group are selected.
Actual result: the first sequence is also selected.