Update group expand and collapse behavior

[vitPinchuk]

Resolves: #121 Resolves: #145

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.76%. Comparing base (7dd0020) to head (1342bc0). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #161 +/- ## ======================================= Coverage 99.76% 99.76% ======================================= Files 163 163 Lines 2604 2608 +4 Branches 570 573 +3 ======================================= + Hits 2598 2602 +4 Misses 6 6 ```

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