*Steps to reproduce:*

1. From the main menu, open the Window/UI Toolkit/Sample window.

2. Right click the "Tree View" item in the left pane. (It only supports single selection)

   => The content associated to the "Tree View" item is loaded on the right pane.

3. On the right pane, expand a couple of items

4. Right click on some items in the right pane to select or multi select them

*Actual results:* No item is selected

*Expected results:* The item under the mouse get selected

*Reproducible with versions:* 2023.3, 2023.2

*Not reproducible with versions:* 

*Can’t test with versions:* 2022.3

*Tested on (OS):* 

*Notes:*
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