photos-v1.3.58

* Added support for casting albums to multiple screens and managing active cast sessions.
* Improved the account deletion flow with clearer impact details and confirmation.
* Simplified delete confirmations into a single prompt that remembers the last selected option.
* Clear cached images and videos from device storage during logout and automatic cache cleanup.
* Fixed backup folder selection when switching from the local gallery to an account.
* Reduced storage growth on iOS by deleting temporary photo copies after machine-learning processing.
* Show smaller detected people groups in Search when larger groups are unavailable.