Add id and class to email nudge (#2835)

Author: ColdHeat

templates/components/snackbar.html

@@ -1,8 +1,9 @@
 {% if can_send_mail() %}
 <div 
+    id="ctfdio-snackbar-email-nudge"
     x-data 
     x-show="window.init.userId && !window.init.userVerified && localStorage.getItem('remind_email_verify') != window.init.userId && (!['/team', '/teams/join', '/teams/new'].includes(window.location.pathname) || window.init.teamId != null)"
-    class="alert alert-info alert-dismissible col-md-4 col-10 position-fixed text-center m-0" 
+    class="alert alert-info alert-dismissible col-md-4 col-10 position-fixed text-center m-0 ctfdio-email-nudge" 
     style="bottom: 45px; left: 50%; transform: translateX(-50%); z-index: 1040; display: none;" 
     role="alert"
 >