Fix adding authenticator with large blob

Adding an authenticator with the large blob option requires a CTAP 2
version of at least 2.1. Patch `77915ee6b` unintentionally removed this
attribute.

Fixed: 443515811
Change-Id: I69fc1325070d131d59ed43b3e7e16fa20cd35345
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6936712
Auto-Submit: Nina Satragno <[email protected]>
Reviewed-by: Adam Raine <[email protected]>
Reviewed-by: Connor Clark <[email protected]>
Commit-Queue: Nina Satragno <[email protected]>

Author: nsatragno

front_end/panels/webauthn/WebauthnPane.test.ts

@@ -98,6 +98,7 @@ describeWithMockConnection('WebAuthn pane', () => {
       const options = addAuthenticator.firstCall.firstArg;
       assert.isTrue(options.hasLargeBlob);
       assert.isTrue(options.hasResidentKey);
+      assert.strictEqual(options.ctap2Version, Protocol.WebAuthn.Ctap2Version.Ctap2_1);
     });
 
     it('adds an authenticator without the large blob option', async () => {

front_end/panels/webauthn/WebauthnPane.ts

@@ -562,6 +562,7 @@ export class WebauthnPaneImpl extends UI.Panel.Panel implements
   #model?: SDK.WebAuthnModel.WebAuthnModel;
   #newAuthenticatorOptions: Protocol.WebAuthn.VirtualAuthenticatorOptions = {
     protocol: Protocol.WebAuthn.AuthenticatorProtocol.Ctap2,
+    ctap2Version: Protocol.WebAuthn.Ctap2Version.Ctap2_1,
     transport: Protocol.WebAuthn.AuthenticatorTransport.Usb,
     hasResidentKey: false,
     hasUserVerification: false,