style(icon): Migrate delete icon to Material Symbol outline variant

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

src/components/board/BoardSidebar.vue

@@ -58,7 +58,7 @@ import { NcAppSidebar, NcAppSidebarTab } from '@nextcloud/vue'
 import ActivityIcon from 'vue-material-design-icons/LightningBolt.vue'
 import SharingIcon from 'vue-material-design-icons/ShareVariantOutline.vue'
 import TagsIcon from 'vue-material-design-icons/TagMultipleOutline.vue'
-import TrashIcon from 'vue-material-design-icons/DeleteOutline.vue'
+import TrashIcon from 'vue-material-design-icons/TrashCanOutline.vue'
 const capabilities = window.OC.getCapabilities()
 
 export default {