Add light ⬇️ download icon

Signed-off-by: Robbert Gurdeep Singh <git@beardhatcode.be>
Signed-off-by: szaimen <szaimen@e.mail.de>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>

Author: beardhatcode

js/viewer-main.js

@@ -852,6 +852,10 @@ export default {
 	background-image: url('../assets/menu-sidebar-white.svg');
 }
 
+#viewer .action-item--single.icon-download {
+	background-image: var(--icon-download-fff);
+}
+
 // Override vue components scss
 .app-sidebar.app-sidebar--full {
 	position: fixed !important;