[BUG] Rendering engine crash when cancelling loading qr scanner

[ERLindeman]

Environment

Android

App and CLI versions

pre-alpha

Steps to reproduce

Open qr scanner
Press cancel immediately (before scanner fully loads)

Expected behavior

Nothing,

Actual behavior

entire rendering engine crashes

Additional context

Advise hiding cancel button until scanner loaded, then append cancel button to screen end to avoid error being possible or other rendering errors like blank screen while loading or screen elements moving when button loads

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