Bugfix 11952
[*] Refactoring of the dap_client_set_auth_cert function: Now the function accepts the name of the certificate, not the name of the network, now there is no need to open the network configuration file again.
[*] Refactoring of the dap_client_set_auth_cert function: Now the function accepts the name of the certificate, not the name of the network, now there is no need to open the network configuration file again.