Cancelling screenshare via os native controls isnt detected by fluxer, and pretends like the screenshare is still going

(#1872) Bug Confirmed mobile video voice

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Comment by Radiant Xyz
Can reproduce stopping screen share using the red OS indicator and returning to the Fluxer call does leave the app believing it is still streaming; Version 1.0.0, Beta 32, Channel Beta, Build 2160, Android 16 (arm64), Device samsung SM-S938B, Locale de-DE, Push fcm, Flutter 3.44.5, Dart 3.12.2