temporary fix:
file svg.css line 1163
a#ticket-relations-tab:before {
display: inline-block;
width: 16px;
height: 20px;
background-size: 18px;
background-repeat: no-repeat;
background-position: left center;
position: relative;
margin-right: 4px;
top: 6px;
content: ‘ ‘;
//display: inline-block !important;
//background-size: 20px;
//background-repeat: no-repeat;
//background-position: center;
//position: relative;
//float: right;
//top: 2px;
//margin: 0 9px 0 0;
//content: ‘ ‘;
background-image: url(“data:image/svg+xml;charset=utf-8,%3Csvg xmlns=’http://www.w3.org/2000/svg’ xmlns:xlink=’http://www.w3.org/1999/xlink’ version=’1.1′ width=’24’ height=’24’ viewBox=’0 0 24 24’%3E %3Cpath fill=’%23128DBE’ d=’M3%2C4V12.5L6%2C9.5L9%2C13C10%2C14 10%2C15 10%2C15V21H14V14C14%2C14 14%2C13 13.47%2C12C12.94%2C11 12%2C10 12%2C10L9%2C6.58L11.5%2C4M18%2C4L13.54%2C8.47L14%2C9C14%2C9 14.93%2C10 15.47%2C11C15.68%2C11.4 15.8%2C11.79 15.87%2C12.13L21%2C7′ /%3E %3C/svg%3E”);
}