chore: legacy fixes (#2343)

packages/encryption/src/Domain/Service/Functions.ts

@@ -9,16 +9,22 @@ export function findDefaultItemsKey(itemsKeys: ItemsKeyInterface[]): ItemsKeyInt
     return key.isDefault
   })
 
-  if (defaultKeys.length > 1) {
-    /**
-     * Prioritize one that is synced, as neverSynced keys will likely be deleted after
-     * DownloadFirst sync.
-     */
-    const syncedKeys = defaultKeys.filter((key) => !key.neverSynced)
-    if (syncedKeys.length > 0) {
-      return syncedKeys[0]
-    }
+  if (defaultKeys.length === 0) {
+    return undefined
   }
 
-  return defaultKeys[0]
+  if (defaultKeys.length === 1) {
+    return defaultKeys[0]
+  }
+
+  /**
+   * Prioritize one that is synced, as neverSynced keys will likely be deleted after
+   * DownloadFirst sync.
+   */
+  const syncedKeys = defaultKeys.filter((key) => !key.neverSynced)
+  if (syncedKeys.length > 0) {
+    return syncedKeys[0]
+  }
+
+  return undefined
 }