change `editor description` of a child scene causing multiple `open in editor` buttons in the Scene tab about godot HOT 6 CLOSED

Can reproduce it in v4.3.stable too

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I've identified the code responsible for this, will take a look at fixing it

Nice! Is it #82916?

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That's indeed the PR that introduced it, thank you for finding it!

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Indeed, see the fix above :)

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I've identified the code responsible for this, will take a look at fixing it

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Someone else will probably beat me to it, but here is what I found:

We are adding the "Open in Editor" button every time the scene tree node tooltip is updated (signal gets emitted from the UI for description, in this case).

This is only for inherited scenes or if can_open_instance is true - not sure what that would signify yet.

So there should be a way to check if p_item already has an "open in editor" button, and only add it if it is missing.

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