fix: add back button to password reset done (#7119)

Co-authored-by: Livio Spring <[email protected]>

internal/api/ui/login/static/templates/password_reset_done.html

@@ -15,6 +15,9 @@
 
     {{template "error-message" .}}
     <div class="lgn-actions">
+        <button class="lgn-icon-button lgn-left-action" type="submit">
+            <i class="lgn-icon-arrow-left-solid"></i>
+        </button>
         <span class="fill-space"></span>
         <button class="lgn-raised-button lgn-primary" type="submit">{{t "PasswordResetDone.NextButtonText"}}</button>
     </div>