CopyFrom = function (source, dest)
{
    return dest.setTo(source.x, source.y, source.width, source.height);
}
Copies the `x`, `y`, `width` and `height` properties from the `source` Ellipse
into the given `dest` Ellipse, then returns the `dest` Ellipse.

@function Phaser.Geom.Ellipse.CopyFrom
@since 3.0.0

@generic {Phaser.Geom.Ellipse} O - [dest,$return]

@param {Phaser.Geom.Ellipse} source - The source Ellipse to copy the values from.
@param {Phaser.Geom.Ellipse} dest - The destination Ellipse to copy the values to.

@return {Phaser.Geom.Ellipse} The destination Ellipse.