[PM-12694] Modify logo on AnonLayout to direct to base route on click (#11263)

* Add "back" functionality for Desktop.

* Return user to email field when logo is clicked in Web.

* Update function name.

* Move hideLogo to anchor wrapper.

* Use "/" route for logo back link.

apps/desktop/src/auth/login/login.component.html

@@ -8,7 +8,9 @@
     attr.aria-hidden="{{ showingModal }}"
   >
     <div id="content" class="content" style="padding-top: 50px">
-      <img class="logo-image" alt="Bitwarden" />
+      <a (click)="invalidateEmail()" class="tw-cursor-pointer">
+        <img class="logo-image" alt="Bitwarden" />
+      </a>
       <p class="lead">{{ "loginOrCreateNewAccount" | i18n }}</p>
       <!-- start email -->
       <ng-container *ngIf="!validatedEmail; else loginPage">

apps/desktop/src/auth/login/login.component.ts

@@ -227,4 +227,11 @@ export class LoginComponent extends BaseLoginComponent implements OnInit, OnDest
       );
     }
   }
+
+  /**
+   * Force the validatedEmail flag to false, which will show the login page.
+   */
+  invalidateEmail() {
+    this.validatedEmail = false;
+  }
 }