Sets the **Autostart_TCP_Server_checkBox** Widget.

def __Autostart_TCP_Server_checkBox_set_ui(self):
        """
        Sets the **Autostart_TCP_Server_checkBox** Widget.
        """

        # Adding settings key if it doesn't exists.
        self.__settings.get_key(self.__settings_section, "autostart_tcp_server").isNull() and \
        self.__settings.set_key(self.__settings_section, "autostart_tcp_server", Qt.Checked)

        autostart_tcp_server = foundations.common.get_first_item(
            self.__settings.get_key(self.__settings_section, "autostart_tcp_server").toInt())
        LOGGER.debug("> Setting '{0}' with value '{1}'.".format("Autostart_TCP_Server_checkBox",
                                                                autostart_tcp_server))
        self.Autostart_TCP_Server_checkBox.setCheckState(autostart_tcp_server)