Do not update user email if there is an error when sending the validation link to the new email

backend/templates/ask_reset_password.html

@@ -8,7 +8,7 @@
             <input id="email_field" type="email"
                 name="email" value="{{ email }}"
                 autocapitalize="none" autocomplete="email" autofocus="autofocus">
-                <span class="user-message">{{ message_email }}</span>
+                <span class="user-message ">{{ message_email }}</span>
 
             <input type="submit" name="commit" value="{{ context.tr.t(Sentence::AskResetButton) }}">
         </form>