Wind speed and direction preset doesn't work

[yuragri]

Math functions wrap_360 and atan2 are not defined.

Fix that worked for me, define these functions in /src/mavextra/mavextra.js:

window.atan2 = Math.atan2

window.wrap_360 = function (a) {
    let w = a % 360
    if (w < 0) w += 360
    return w
}