[PM-5537] Remove Unecessary Biometric State (#7762)

* 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

* Remove state that is never read.

* Remove unnecessary biometric state

We don't need to determine platform in desktop background, it can be done in the UI at any time.

* Fix merge

* Use platform utils to identify OS desktop type

libs/angular/src/auth/components/lock.component.ts

@@ -41,7 +41,6 @@ export class LockComponent implements OnInit, OnDestroy {
   formPromise: Promise<MasterPasswordPolicyResponse>;
   supportsBiometric: boolean;
   biometricLock: boolean;
-  biometricText: string;
 
   protected successRoute = "vault";
   protected forcePasswordResetRoute = "update-temp-password";
@@ -343,7 +342,6 @@ export class LockComponent implements OnInit, OnDestroy {
       (await this.vaultTimeoutSettingsService.isBiometricLockSet()) &&
       ((await this.cryptoService.hasUserKeyStored(KeySuffixOptions.Biometric)) ||
         !this.platformUtilsService.supportsSecureStorage());
-    this.biometricText = await this.stateService.getBiometricText();
     this.email = await this.stateService.getEmail();
 
     this.webVaultHostname = await this.environmentService.getHost();