Move NaN checks in `is.sameType` to the number branch of the method.
Move NaN checks in `is.sameType` to the number branch of the method.

rlugojr/is.js,ironmaniiith/is.js,arasatasaygin/is.js,rlugojr/is.js,arasatasaygin/is.js,ironmaniiith/is.js