Improve documentation on TreeItem's cell modes #92112
Merged
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TreeItem's various cell modes has lots of quirks and hidden functionality. This PR attempts to document some of it.
My favorite Tree feature is when you assign a text to a slider, it magically becomes a dropdown.
I noticed some overall inconsistencies in the Tree/Item documentation, like descriptions referring to column, while I think it should say "cell". Also many descriptions are somewhat lacking, because most methods are specific to a single cell mode, or if used in multiple modes, they might have different effect depending on mode. I did not attempt to fix it all though.