Fixed shortcode attributes

Shortcode attributes are now verified with the new
check_shortcode_parameter function.

Resolved autoplay shortcode attribute not applying.

Added a new setting to set the player type between Full Player and
Video Only (/embed/ or not)
Rename upload/metadata methods
Allow custom userid to appear in the custom metadata
Show a parsed User ID field in the fronted
Better handling of uploads on non VIP environment
Clear custom styles in the media browser
Show media that outside the availability window

In the embed browser, we filtered out media that was not yet available.
Editors should be able to embed media before it’s available to draft
posts.

Media that is not approved will still remain hidden