Check that the WebAuthn credential backup flags are reflected

Credential with backupEligibility=true
Get assertion status: OK
be: true (expected true)
Get credential through devtools
backupEligibility: true (expected true)

Credential with backupEligibility=false
Get assertion status: OK
be: false (expected false)
Get credential through devtools
backupEligibility: false (expected false)

Credential with backupState=true
Get assertion status: OK
bs: true (expected true)
Get credential through devtools
backupState: true (expected true)

Credential with backupState=false
Get assertion status: OK
bs: false (expected false)
Get credential through devtools
backupState: false (expected false)