fix: use of sortable js with transition-group (#2160)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2160
Reviewed-by: konrad <k@knt.li>
Co-authored-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-committed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>

src/views/list/ListList.vue

@@ -84,8 +84,10 @@
 						handle=".handle"
 						:disabled="!canWrite"
 						item-key="id"
+						tag="ul"
 						:component-data="{
 							class: { 'dragging-disabled': !canWrite || isAlphabeticalSorting },
+							type: 'transition-group'
 						}"
 					>
 						<template #item="{element: t}">