fix(sync): resolve restore item edge cases

src/components/AppListRestoreModal.vue

@@ -150,9 +150,17 @@ const isInstalled = (item: SyncedAppListItem): boolean =>
   props.installedKeys.has(cloudItemKey(item));
 
 const selectedItems = computed(() =>
-  props.items.filter((item) => selectedKeys.value.has(cloudItemKey(item))),
+  props.items.filter(
+    (item) => selectedKeys.value.has(cloudItemKey(item)) && !isInstalled(item),
+  ),
 );
 
+const pruneSelectedKeys = (): void => {
+  selectedKeys.value = new Set(
+    [...selectedKeys.value].filter((key) => !props.installedKeys.has(key)),
+  );
+};
+
 const toggleSelection = (item: SyncedAppListItem): void => {
   if (isInstalled(item)) return;
   const key = cloudItemKey(item);
@@ -169,4 +177,12 @@ watch(
   },
   { deep: true },
 );
+
+watch(
+  () => props.installedKeys,
+  () => {
+    pruneSelectedKeys();
+  },
+  { deep: true },
+);
 </script>