Add Symfony bin/console commands for diagnosing FIDO attestation certificate validation issues

[pmeulen]

Allows decoding, lookup and validation of a FIDO attestation object as logged by Stepup-webauthn from the console, allowing stand-alone debugging of the validation code.

use e.g.:

bin/console mds:validate o2NmbXRmcGFja2VkZ2F0dFN0bXSjY2FsZyZjc2lnWEcwRQIhAPuOmTr0EflTs03CK7xRcMWR6lZw9I9XasL9UoioVxFwAiA41fgBtTd_U_914AywSFOV9oHzy4uUho0B_67btb8k_GN4NWOBWQLFMIICwTCCAamgAwIBAgIJAPixTI1SfWJyMA0GCSqGSIb3DQEBCwUAMCYxJDAiBgNVBAMMG1l1YmljbyBGSURPIEF0dGVzdGF0aW9uIEIgMTAgFw0yNDEyMDEwMDAwMDBaGA85OTk5MTIzMTIzNTk1OVowdTELMAkGA1UEBhMCU0UxEjAQBgNVBAoMCVl1YmljbyBBQjEiMCAGA1UECwwZQXV0aGVudGljYXRvciBBdHRlc3RhdGlvbjEuMCwGA1UEAwwlWXViaWNvIEZJRE8gRUUgU2VyaWFsIDE0MDY5NDc2MTgxMjQ3MjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABEDe_ETwplfJFFBIl6hxOg3gyVhpFV0tLr8QoPR8bUzj2JJcTVsJ69g5hhXeGdpncQaFQ7Yv_T5dvlqhv7zclkyjbDBqMBMGCisGAQQBgsQKDQEEBQQDBQcEMCIGCSsGAQQBgsQKAgQVMS4zLjYuMS40LjEuNDE0ODIuMS45MCEGCysGAQQBguUcAQEEBBIEEHQJJy0f-U4Qn8msABnBJP0wDAYDVR0TAQH_BAIwADANBgkqhkiG9w0BAQsFAAOCAQEAOLMF4W0G3hZwlscE-3U0GjAh9OiNkrA-xnDqlR77Wph7a017GZ7jTvJteIYA5bF8eZNGMFZQAnRdSVAxQfss3aUsR6uIcaxWjUv3v63ZSgkJrKrIKDuF_HMjwubwKR09CYsHArcw7oRjW7nYPxWWaAFX7mJSr8JSx7f9fOw61oQZD-1gYaP7aOjRSlQI8zuRH0LuJ6l_Ui7I0cVTyDBJpMNholoPHM2Cn45gylK3yXxC_U9RwYsyy0EvTDSQMSXgq4ss38ChHg0vkY3oN5F-O_SZMb8LkR3SiU5041XQb3PF9Qek19eK4zPqrH3CW0UekyOkWKMp8Zr1Y26skqEdxWhhdXRoRGF0YVjE1SHZosOfudu4e6ND69j8ip3avTetdPzJEZlwXQyfI2RFAAAAA3QJJy0f-U4Qn8msABnBJP0AQKRTMYFc1FVzpPvRlZlA6rZsxG6BUGCiHk2maayXq0W1XhEQ80WckNj7KRCw7NT1gnOxvmsprB-wqz61wybPZuulAQIDJiABIVggs767sS3c6mlwKreCY5EEjuCUqMsO-HFyD0je-VtHuqAiWCB20ZcP2wG3RenBpVmY7h2AnkgNBgLBFiFCOxkSijIryg