[frontend] Add a filter svg icon
<path d="M470.2,480l-56.3-56.3a134,134,0,0,0,25.7-82.1c-1.6-71.8-59.9-130.2-131.7-131.7-76.7-1.7-139.4,61-137.7,137.7,1.6,72,60.3,130.4,132.3,131.7a134,134,0,0,0,82.5-26.5l56.2,56.2a13.7,13.7,0,0,0,19.3,0l9.7-9.7A13.7,13.7,0,0,0,470.2,480ZM305,448.3A103.8,103.8,0,1,1,408.7,344.5,103.9,103.9,0,0,1,305,448.3Z"></path>
</symbol>
+ <symbol id="hi-filter" viewBox="0 0 20 20">
+ <path d="M1.667 7.5h16.666V5.833H1.667V7.5zm2.5 3.333h11.666V9.166H4.167v1.667zM7.5 14.167h5V12.5h-5v1.667z" transform="translate(-355 -82) translate(355 76) translate(0 6)"></path>
+ </symbol>
+
<symbol id="hi-folder" viewBox="0 0 640 640">
<path d="M599,586H41A41,41,0,0,1,0,545V95A41,41,0,0,1,41,54H246a41,41,0,0,1,41,41v58l312,0a41,41,0,0,1,41,41V545A41,41,0,0,1,599,586ZM41,86a9,9,0,0,0-9,9V545a9,9,0,0,0,9,9H599a9,9,0,0,0,9-9V194a9,9,0,0,0-9-9H287a32,32,0,0,1-32-32V95a9,9,0,0,0-9-9H41Z"></path>
</symbol>
