Try to prevent user from closing Cockpit during video record #533
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This is the best we can do for now. Chrome (as most other browsers) do not allow us anymore to set a custom message on the tab-closing alert.
With this patch, it's very unlikely that the user will make the same mistake twice.
A better solution for the future would be to save the recording direct to the user's drive, instead of the memory. I don't know if that's possible or not.
Screen.Recording.2023-10-24.at.16.22.17.mp4
Fix #518