App Crash: On selecting cancel from Share Screen promt

[soumik-mukherjee]

Steps to replicate

1. Open App
2. Click on Record button

3. Click on Cancel in the ensuing prompt.

Error Message

TypeError: Cannot read property 'stop' of null
..... capturio/packages/ui-components/src/Recorder/index.jsx:103
100 | case REC_STATUS_ON:
101 | break
102 | case REC_STATUS_OFF_REQUESTED:
103 | mediaRecorder.stop()
104 | let tracks = mediaStream.getTracks()
105 | tracks.forEach(track => track.stop())
106 | player.srcObject = null