https://github.com/sendbird/sendbird-calls-javascript/releases/tag/1.5.4
1.5.4 (Mar 12, 2021 UTC)
• Added suuport for screen share in DirectCall.
• Below methods are added in DirectCall:
• startScreenShare(): Promise<void>
• stopScreenShare(): void
• Below property is added in DirectCall:
• readonly isLocalScreenShareEnabled: boolean
