[PM-5537] Biometric State Service (#7761)

* Create state for biometric client key halves

* Move enc string util to central utils

* Provide biometric state through service

* Use biometric state to track client key half

* Create migration for client key half

* Ensure client key half is removed on logout

* Remove account data for client key half

* Remove unnecessary key definition likes

* Remove moved state from account

* Fix null-conditional operator failure

* Simplify migration

* Remove lame test

* Fix test type

* Add migrator

* Prefer userKey when legacy not needed

* Fix tests

apps/desktop/src/models/account.ts

@@ -1,25 +1,15 @@
-import { Jsonify } from "type-fest";
-
 import {
   Account as BaseAccount,
   AccountSettings as BaseAccountSettings,
-  AccountKeys as BaseAccountKeys,
 } from "@bitwarden/common/platform/models/domain/account";
-import { EncString } from "@bitwarden/common/platform/models/domain/enc-string";
 
 export class AccountSettings extends BaseAccountSettings {
   vaultTimeout = -1; // On Restart
-  requirePasswordOnStart?: boolean;
   dismissedBiometricRequirePasswordOnStartCallout?: boolean;
 }
 
-export class AccountKeys extends BaseAccountKeys {
-  biometricEncryptionClientKeyHalf?: Jsonify<EncString>;
-}
-
 export class Account extends BaseAccount {
   settings?: AccountSettings = new AccountSettings();
-  keys?: AccountKeys = new AccountKeys();
 
   constructor(init: Partial<Account>) {
     super(init);