View Once medias can be saved using screen recording on iOS

[w1redch4d]

• I have searched open and closed issues for duplicates
• I am submitting a bug report for existing functionality that does not work as intended
• This isn't a feature request or a discussion topic

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Bug description

When an user sends a view once video media to another user , the user can turn on iOS screen recording to save the view once media in their gallery

Steps to reproduce

• after receiving the view once media turn on iOS screen recording in device
• open the view once video media
• keep recording till the duration of the media
• stop the recording
• The view once media is now saved in the user's gallery

Actual result: The view once media can be saved using in device screen capture methods

Expected result: The view once media shouldn't be seen while using any of the in device screen capture method

Device info

Device: iPhone 15 Pro

iOS version: 17.5.1

Signal version: 7.19.1

[noob-programmer1]

I'm interested in fixing this bug. If it's available, I'd like to work on it. Please let me know if you need any additional information from me or if there are any specific guidelines I should follow. Thanks!