Solid info dialog: add new tab with hotplug device events.

With this kind of tool, we can idenitfy quickly which device with properties is plug/unplug and detected by Solid framework.
As exemple, in this screenshoot, see my Iphone 7 connected and disconnected from USB port: https://i.imgur.com/dfL1Grs.png
Of course, if nothing happen in this view, this want mean that device is not recognized at all from Solid framework,
and end-user need to report this problem to Solid team.
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