[TreeView] Make the cancellable event types public

Open flaviendelangle opened this issue 1 year ago • 1 comments

Part of #14985

While writting the example for the issue, I noticed that I needed MuiCancellableEventHandler to have a correct typing but that this type was internal.

Given that we will have the same topic on other X packages (pickers need to work to better support this pattern), I moved the logic to the shared package before re-exporting it.

Oct 16 '24 07:10 flaviendelangle

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Oct 16 '24 07:10 mui-bot