Changes to Get Link Agent

added the new mabl_desktop enum value to the distribution response property for the response status 200

removed the optional property agent_configuration/branch from the response with the 200 status

added the optional property agent_configuration/link_agent_update_channel to the response with the 200 status

removed the optional property agent_state/mablnet/carriers_by_router from the response with the 200 status

added the optional property agent_state/mablnet/carriers to the response with the 200 status

removed the optional property capacity/os_warnings/items/message from the response with the 200 status

added the optional property connection_status/additionalProperties/unreachable_seconds to the response with the 200 status

added the optional property capacity/os_warnings/items/params to the response with the 200 status

added the optional property capacity/supported_tunnels to the response with the 200 status

added the optional property tunnels_on_host to the response with the 200 status