Make Element Call screen work edge-to-edge (#6634)
* Update dependency io.element.android:element-call-embedded to v0.19.3
* Remove `Scaffold` component from CallScreenView
* Add immersive mode to calls in landscape orientation
* Add `consumeWindowInsets`, which fixes the webview not displaying any insets for the bottom nav bar
* Update screenshots
* Ignore compact height in PiP mode
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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: ElementBot <android@element.io>
