[Feature Request] Gallery View - Hide the cover completely

[d0verenny]

What would you like to be added?

Now, you can remove the cover but a blank ugly plank stays there. You can remove it with css probably, but it'd be nice to have this built-in the plugin without messing with css.

Why is this needed?

1. For clear picture
2. A user could rearrange media like picture or video, instead of using the cover if they'd like so.

[github-actions]

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