newsupernova/vendor/temando/module-shipping-m2/view/adminhtml/web/css/grid.css

.admin__data-grid-outer-wrap * {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.admin__data-grid-outer-wrap .selectmenu-value input {
    height: auto;
}