fix(envelope): prevent out of bound error on empty search result

Refs: #518

Author: soywod

CHANGELOG.md

@@ -21,6 +21,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fixed de/serialization issues of backends' `none` variant. [#523]
 
+- Fixed list envelopes out of bound error when empty result. [#518]
+
 ## [1.0.0] - 2024-12-09
 
 The Himalaya CLI scope has changed. It does not include anymore the synchronization, nor the envelope watching. These scopes have moved to dedicated projects:
@@ -951,6 +953,7 @@ Few major concepts changed:
 [#496]: https://github.com/pimalaya/himalaya/issues/496
 [#508]: https://github.com/pimalaya/himalaya/issues/508
 [#515]: https://github.com/pimalaya/himalaya/issues/515
+[#518]: https://github.com/pimalaya/himalaya/issues/518
 [#522]: https://github.com/pimalaya/himalaya/issues/522
 [#523]: https://github.com/pimalaya/himalaya/issues/523
 [#536]: https://github.com/pimalaya/himalaya/issues/536