React-rendered suggestion items

[ClementEXWiki]

In our current editor (CKEditor), when the user types img::, an inline suggestion menu opens, showing a list of images matching what the user types after that prefix, on top of an upload button.

We'd like to mimic that behavior with BlockNote, but AFAIK it is only possible to render plain-text suggestions using the SuggestionMenuController.

Here is an example of what we'd like:

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I tried forcing an <img> element in the title property of the suggestion items, and they do render, but with the wrong height and width, leading to this abstract work of art:

Is there any way to render images properly inside the menu? If not, would it be possible to add this feature?

Many thanks.

[ClementEXWiki]

Actually I see it's easy to create a custom suggestion menu component, so I'm going to go ahead with it :)