qml: fix title bar causing hover effect

fixes #26274

added Component::Interface: Qt label

changed milestone to %4.0

This MR doesn't let the mouse events propagate to underlying items of BannerSources. An alternative would be to make BannerSources parent a Pane, but IDK if it's better or worse. It works because it sets the hoverEnabled by default but I think it's a bit indirect on how it works.

added MRStatus::Reviewable label

resolved all threads

added MRStatus::Acceptable label and removed MRStatus::Reviewable label

added MRStatus::Accepted label and removed MRStatus::Acceptable label

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added 41 commits

• 0a719417...1735bf9d - 40 commits from branch videolan:master
• b2d1d2d2 - qml: fix title bar causing hover effect

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enabled an automatic merge when the pipeline for b2d1d2d2 succeeds

merged