trials to keep the day alive

src/main/resources/templates/done/item.html

@@ -56,7 +56,7 @@
 					<div class="col-sm-2">Änderung</div>
 					<div class="col-sm-10">
 						<button type="submit" class="btn btn-success">speichern</button>
-						<button type="submit" class="btn btn-secondary" th:formaction="@{/done/list}">abbrechen</button>
+						<a class="btn btn-secondary" th:href="@{/done/abort/{day}(day=${doneModel.dayString})}">abbrechen</a>
 						<div class="dropdown float-right" th:if="${doneBean.pk != null}" sec:authorize="hasRole('timetrack_user')">
 							<button class="btn btn-danger dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">Eintrag löschen</button>
 							<ul class="dropdown-menu">