feat(ui): use better icons for the list of pages + clone page action

Author: did

app/frontend/editor/assets/remixicons/ri-shadow-line.svg

@@ -40,7 +40,7 @@
               class="flex items-center px-4 py-4 hover:bg-gray-100 transition-colors duration-200 focus:outline-none"
               @click.stop="clonePage"
             >
-              <uikit-icon name="ri-file-copy-line" />
+              <uikit-icon name="ri-shadow-line" />
               <span class="ml-2">{{ $t('page.list.item.clone') }}</span>
             </button>
             <button

app/frontend/editor/components/page/list/list-item.vue

@@ -11,7 +11,7 @@
         <sidebar-nav-link
           routerLinkName="listPages"
           :active="isListPagesActive"
-          iconName="ri-folders-line"
+          iconName="ri-file-copy-line"
           :tooltipMessage="$t('sidebarNav.listPagesTooltip')"
         />
       </li>