Meanwhile, some general debugging info:
> While all functionality works correctly in the HTML window (excluding double-click, right-click, and hover interactions on both row headers and events), single-click interactions are functioning as expected.
I’m not sure I understand correctly but if
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it’s some kind of modal dialog, and
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it’s the single click that is not working,
most likely the problem is that the modal dialog is swallowing the mousedown event. That prevents the click event to be fired (it requires mousedown + mouseup to be completed).
> Additionally, although I have verified that the icon URLs are correct, the icons are not displaying.
You can check the actual HTTP requests using the browser developer tools (Network tab). You will see if the browser requests the images and what the response is.