Bug when compressing the svg image

[agusmakmun]

Before compressed:

data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='4' height='5' viewBox='0 0 4 5'%3e%3cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3e%3c/svg%3e

After compressed:

data:image/svg+xml,%3csvgxmlns='http://www.w3.org/2000/svg'width='4'height='5'viewBox='0045'%3e%3cpathfill='%23343a40'd='M20L02h4zm05L03h4z'/%3e%3c/svg%3e

---

Before compressed:

svg xmlns=

After compressed:

svgxmlns=

---

.custom-select {
    display: inline-block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 1.75rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    vertical-align: middle;
    background: #fff url(data:image/svg+xml,%3csvgxmlns='http://www.w3.org/2000/svg'width='4'height='5'viewBox='0045'%3e%3cpathfill='%23343a40'd='M20L02h4zm05L03h4z'/%3e%3c/svg%3e) no-repeat right 0.75rem center/8px 10px;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}