When refreshing a /video page, since no player is available,
`getCurrentPlayer` will be empty and `bindToPlayer` will crash leading
to a redirect with `appRouter.goHome();`
This is also the case when navigating with previous then next in the
browser.
Before that that, the background is set in `viewbeforeshow` using
`setBackdropTransparency(TRANSPARENCY_LEVEL.Full);`
This will leave unexpected classes in the dom leading to a white
background on the main page.
This fixes proposes to reset the transparency before going to home
using `setBackdropTransparency(TRANSPARENCY_LEVEL.None);`
Anyway, this looks a little fragile and a deeper fix may be preferable
in the future.
Another solution would be to move the
`setBackdropTransparency(TRANSPARENCY_LEVEL.Full);` when the player is
ready but my understanding of the flow is not enough to now if it would
have any unexpected results.
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