Screenshot button on the player interface

[GET100PERCENT]

Describe your suggested feature

After version 0.8.0 libretube has implemented many essential features on the player interface.

Often it is required to take a screenshot of important information showing in the video when watching some online classes or some documentary videos even in any video having some important information.

When one tries to take a screenshot, it is required to pause the video, scroll the quick tile tray and then select the screenshot tile, which is not easier.

It will be easier if the player screen has a screenshot button on the middle of the right edge of player screen.

By this, on a single click the current frame can be captured as a screenshot, which is very useful.

Other details

No response

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