Double-click in the tree view of the ExperimentView might trigger the incorrect item

*Issue migrated from trac ticket # 3146*

**milestone:** HeuristicLab 3.3.x Backlog | **component:** Optimization.Views | **priority:** medium

#### 2022-01-31 15:41:51: @gkronber created the issue


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> The first click collapses/expands the branch which may change the layout of the tree and the second click might activate a different item than the first click.