Change clone icon from plus to clone

Co-authored-by: Adam Stachowicz <saibamenppl@gmail.com>

src/pages/Details.vue

@@ -31,7 +31,7 @@
                         <font-awesome-icon icon="edit" /> {{ $t("Edit") }}
                     </router-link>
                     <router-link :to=" '/clone/' + monitor.id " class="btn btn-normal">
-                        <font-awesome-icon icon="plus" /> {{ $t("Clone") }}
+                        <font-awesome-icon icon="clone" /> {{ $t("Clone") }}
                     </router-link>
                     <button class="btn btn-danger" @click="deleteDialog">
                         <font-awesome-icon icon="trash" /> {{ $t("Delete") }}