Added an animation at the wrongly assigned fact conteiners in scroll

if a part of FactExplorer would be out of screen bounds it will be clamped to be fully visible

The toggle button will be used to filter for favorited facts

Facts can be marked as favorite on middle mouse button click.
Favorised facts are indicaded by a yellow star in the top right corner.
Other fact displays will be updated accordingly and newly spawned fact displays will show the favorite star correctly.

CanvasGroup alpha also affects child GameObjects alpha, whereas Image alpha only affects the Image itself