Fix CoCo Attestation API errors

[mackdk]

What does this PR change?

This PR fixes:

• The absence of the attestOnBoot field in the getCoCoAttestationConfig API
• The error that happens when serializing for the XMLRPC API a ServerCoCoAttestationReport when the attested date is null. This might happen when the report is still PENDING
• The field attestOnBoot is ignored by setCoCoAttestationConfig API when no configuration exists
• The error that happens when getCoCoAttestationConfig is called and no configuration is present. Now if the system has coco support an empty configuration is returned.
• Prevent all the API to work with systems that do not have support for coco attestation. An UnsupportedOperationException is now returned by the API.
• Return an EntityNotExistsFaultException when the system specified in the call does not match the one from the attestation result when calling getCoCoAttestationResultDetails

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: only internal and user invisible changes

• DONE

Test coverage

• No tests: already covered

• DONE

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[github-actions]

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[github-actions]

Suggested tests to cover this Pull Request

• sle_ssh_minion
• min_salt_migration
• min_salt_install_with_staging
• proxy_register_as_minion_with_script
• min_deblike_salt
• allcli_overview_systems_details
• min_salt_formulas
• min_project_lotus
• srv_docker_cve_audit
• minssh_move_from_and_to_proxy
• min_salt_install_package
• srv_monitoring
• min_salt_openscap_audit
• minkvm_guests
• min_monitoring
• min_recurring_action
• min_salt_minion_details
• min_rhlike_openscap_audit
• srv_distro_cobbler
• min_salt_minions_page
• min_deblike_salt_install_package
• min_empty_system_profiles
• min_cve_id_new_syntax
• min_ssh_tunnel
• allcli_sanity
• min_move_from_and_to_proxy
• min_ansible_control_node
• srv_power_management_redfish
• min_bootstrap_script
• min_rhlike_monitoring
• allcli_software_channels_dependencies
• min_cve_audit
• min_salt_mgrcompat_state
• min_config_state_channel
• srv_reportdb
• buildhost_bootstrap
• minssh_salt_install_package
• allcli_reboot
• minssh_bootstrap_api
• proxy_retail_pxeboot_and_mass_import
• min_rhlike_salt_install_package_and_patch
• min_deblike_monitoring
• min_deblike_salt_install_with_staging
• min_check_patches_install
• srv_scc_user_credentials
• srv_cobbler_distro
• min_rhlike_salt
• min_salt_lock_packages
• srv_rename_hostname
• proxy_branch_network
• min_bootstrap_api
• minssh_ansible_control_node
• srv_first_settings
• allcli_action_chain
• min_salt_formulas_advanced
• srv_cobbler_profile
• srv_power_management
• min_salt_user_states
• allcli_config_channel
• min_virthost
• min_deblike_openscap_audit
• min_action_chain
• min_config_state_channel_subscriptions
• min_timezone
• buildhost_osimage_build_image
• srv_advanced_search
• min_activationkey
• allcli_software_channels
• min_bootstrap_reactivation
• srv_maintenance_windows
• min_salt_pkgset_beacon
• proxy_as_pod_basic_tests
• buildhost_docker_build_image
• sle_minion
• min_deblike_ssh
• min_salt_software_states
• min_rhlike_ssh
• minssh_action_chain
• min_custom_pkg_download_endpoint
• allcli_system_group
• proxy_cobbler_pxeboot
• min_bootstrap_ssh_key
• min_retracted_patches
• min_change_software_channel

[mcalmer]

I just found another bug.
SystemHandler.setCoCoAttestationConfig() support the attestOnBoot parameter,
but it set it only when the config is already present. If a config needs to be created that parameter is not set.
Maybe you can fix this as well in this PR?

[mackdk]

I just found another bug. SystemHandler.setCoCoAttestationConfig() support the attestOnBoot parameter, but it set it only when the config is already present. If a config needs to be created that parameter is not set. Maybe you can fix this as well in this PR?

Oh, I didn't notice that. I will fix it.

[mackdk]

I added two more fixes, I updated the PR description to describe them accordingly.