Lists components under a specific point in global, screen coordinates.
Note: this function will return *every single* components at a specific point,
even if they have no backgrounds, or haven't got anything drawn onto them.
|The global, on-screen x position of the point to check for components under|
|The global, on-screen y position of the point to check for components under|
type:Class<T> = null
|Used to filter all components that aren't of a specific type. null by default, which means no filter is applied.|
|An array of all components that overlap the "global" position (x, y)|