polygonTangents returns two of the same point

In certain situations, the function returns two of the same tangent, rather than the two actual tangents.

Reproduction:

const tangents = turf.polygonTangents([
    -79.41285676230808,
    43.627309605975235
], {
    "type": "Feature",
    "properties": {},
    "geometry": {
        "type": "Polygon",
        "coordinates": [
            [
                [
                    -79.428776,
                    43.708224
                ],
                [
                    -79.325734,
                    43.675502
                ],
                [
                    -79.414155,
                    43.595383
                ],
                [
                    -79.353931,
                    43.670969
                ],
                [
                    -79.428776,
                    43.708224
                ]
            ]
        ]
    }
}).features.map((point) => turf.getCoord(point));

console.log(tangents) // [-79.414155,43.595383,-79.414155,43.595383]

For your convenience: https://turf-sandbox.netlify.app/

visualization

Start at the polygonTangents entry point and run the supplied reproduction to inspect why both returned coordinates are identical. Compare the result with the two actual tangents shown by the visualization; done means this case returns two distinct correct tangent points and is covered by a regression test.