fix: collapse subtasks when opening lists

frontend/src/App.vue

@@ -324,7 +324,10 @@ function restoreNavigation(inboxId: string) {
 
 async function loadRestoredView() {
   if (activeView.value === 'trash') await loadTrash()
-  else if (isTaskView(activeView.value)) await loadAll()
+  else if (isTaskView(activeView.value)) {
+    await loadAll()
+    if (activeView.value === 'tasks') collapseLoadedTaskChildren()
+  }
   else { tasks.value = []; totalTasks.value = 0 }
 }
 
@@ -479,7 +482,10 @@ async function switchView(view: View, listId?: string) {
   if (view === 'trash') await loadTrash()
   else if (view === 'today') await loadTodayView()
   else if (!isTaskView(view)) tasks.value = []
-  else await loadAll()
+  else {
+    await loadAll()
+    if (view === 'tasks') collapseLoadedTaskChildren()
+  }
 }
 async function loadTodayView() {
   await loadAll()
@@ -646,6 +652,9 @@ function cancelTaskSwipe(task?: Task) {
   taskSwipeStart.value = null
   if (task) taskSwipeOffsets.value[task.id] = 0
 }
+function collapseLoadedTaskChildren() {
+  collapsedTaskIds.value = new Set(tasks.value.filter((task) => task.subtasks?.length).map((task) => task.id))
+}
 function toggleTaskChildren(task: Task) {
   if (!task.subtasks?.length) return
   const next = new Set(collapsedTaskIds.value)