refactor(set-change-password): [Auth/PM-18458] Create new ChangePasswordComponent (#14226)

This PR creates a new ChangePasswordComponent. The first use-case of the ChangePasswordComponent is to place it inside a new PasswordSettingsComponent, which is accessed by going to Account Settings > Security.

The ChangePasswordComponent will be updated in future PRs to handle more change password scenarios.

Feature Flags: PM16117_ChangeExistingPasswordRefactor

libs/auth/src/angular/registration/registration-finish/registration-finish.component.ts

@@ -39,8 +39,7 @@ import { RegistrationFinishService } from "./registration-finish.service";
 export class RegistrationFinishComponent implements OnInit, OnDestroy {
   private destroy$ = new Subject<void>();
 
-  InputPasswordFlow = InputPasswordFlow;
-
+  inputPasswordFlow = InputPasswordFlow.AccountRegistration;
   loading = true;
   submitting = false;
   email: string;