Corregge i contatti email al dominio matchlivetv.it.

I mailto di prezzi/billing e i default privacy/mailer puntavano
ancora a matchlive.it, dominio brand incoerente.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/views/public/teams/billing.html.erb

@@ -37,7 +37,7 @@
   </div>
 
   <div class="card" style="margin-top:24px;text-align:center">
-    <p style="color:#aaa"><%= t("team.billing.contact_lead") %> <%= mail_to "info@matchlive.it", t("team.billing.contact_cta") %> <%= t("team.billing.contact_trailer") %></p>
+    <p style="color:#aaa"><%= t("team.billing.contact_lead") %> <%= mail_to "info@matchlivetv.it", t("team.billing.contact_cta") %> <%= t("team.billing.contact_trailer") %></p>
   </div>
 
   <p style="margin-top:20px"><%= link_to t("team.billing.club_payments_link"), public_club_billing_path(@team.club) %></p>