Unable to downgrade call form Video call to Audio call

[MuneebAhmed568]

File => /src/platform/web/session-description-handler/session-description-handler.ts

protected getLocalMediaStream(options?: SessionDescriptionHandlerOptions): Promise {
// ignore constraint "downgrades"
constraints.audio = constraints.audio || this.localMediaStreamConstraints.audio;
constraints.video = constraints.video || this.localMediaStreamConstraints.video;
}

Can you Explain why the developer doesn't allow to downgrade a call from Video to audio call

I SOLVED THIS ISSUE BY THIS

protected getLocalMediaStream(options?: SessionDescriptionHandlerOptions): Promise {
// ignore constraint "downgrades"
constraints.audio = constraints.audio;
constraints.video = constraints.video;
}

is this a security issue????