Preventing duplicate tab close when doing a middle click

[jportela]

Fixes #25529

[mention-bot]

@jportela, thanks for your PR! By analyzing the history of the files in this pull request, we identified @bpasero and @jrieken to be potential reviewers.

[msftclas]

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[bpasero]

@jportela thanks, I was accidentally already working on a solution for this one, but did not push. My solution reuses the same code we had already to detect this case (see 35a12c9).

Nevertheless I will make sure that you get mentioned in the credits file for the May release notes 👍