* ios: Picture-in-picture while in calls
* simplify
* improvements
* back button and lots of small issues
* layout
* padding
* back button
* animation, padding, fullscreen
* end active call button
* removed unused code
* unused line
* transition
* better
* better
* deinit PiP controller
* stop camera after call end
* formatting
* stop capture if active
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Co-authored-by: Avently <avently@local>
Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
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