icons and slight refactor

frontend/src/assets/images/icons/music/headset-solid.svg

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+<?xml version="1.0" encoding="UTF-8"?><svg width="24px" height="24px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg" color="#000000" stroke-width="1.5"><path d="M4 13.5V13C4 8.02944 7.58172 4 12 4C16.4183 4 20 8.02944 20 13V13.5" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path d="M2 17.4382V15.5614C2 14.6436 2.62459 13.8437 3.51493 13.6211L4 13.4998L5.25448 13.1862C5.63317 13.0915 6 13.3779 6 13.7683V19.2313C6 19.6217 5.63317 19.9081 5.25448 19.8134L3.51493 19.3785C2.62459 19.1559 2 18.356 2 17.4382Z" fill="#000000" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path d="M22 17.4382V15.5614C22 14.6436 21.3754 13.8437 20.4851 13.6211L20 13.4998L18.7455 13.1862C18.3668 13.0915 18 13.3779 18 13.7683V19.2313C18 19.6217 18.3668 19.9081 18.7455 19.8134L20.4851 19.3785C21.3754 19.1559 22 18.356 22 17.4382Z" fill="#000000" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg>