#31 Add screen sharing button to call window

[Luis Andrés Lange]

A new Share button will be added to the Call window.
The button allows users to start screen sharing directly from the call window. It will be displayed alongside the existing Pick Up, Dial, and Hang Up buttons.
The user interface and related workflows will be updated as required.

[Luis Andrés Lange]

Implemented screen sharing in the call windows.

The “Share” button is now available in both the “Call” and “Caller” windows. The button is fully integrated with the screen sharing business logic.

The “Caller” window provides the “Pick up”, “Dial”, “Hang up”, and “Share” buttons. The “Call” window provides the “Pick up”, “Hang up”, and “Share” buttons.

Ticket closed.