fixed material print link in modalcard

web/themes/custom/materiotheme/vuejs/components/Content/ModalCard.vue

@@ -89,7 +89,7 @@
           </div>
         </section>
         <section class="tool print">
-          <a :href="material.path+'/printable/print'" target="_blank">
+          <a :href="item.path+'/printable/print'" target="_blank">
             <span class="btn mdi mdi-printer"/>
           </a>
         </section>