Update timing + fix command

Author: jaapmarcus

install/hst-install-ubuntu.sh

@@ -1939,7 +1939,7 @@ echo
 cat $tmpfile
 rm -f $tmpfile
 
-echo "@reboot root sleep 60 && /usr/local/hestia/bin/v-add-lets-encrypt-host && rm /etc/cron.d/hestia-ssl" > /etc/cron.d/hestia-ssl
+echo "@reboot root sleep 10 && /usr/local/hestia/bin/v-add-letsencrypt-host && rm /etc/cron.d/hestia-ssl" > /etc/cron.d/hestia-ssl
 
 # Add welcome message to notification panel
 $HESTIA/bin/v-add-user-notification admin 'Welcome to Hestia Control Panel!' '<br>You are now ready to begin <a href="/add/user/">adding user accounts</a> and <a href="/add/web/">domains</a>. For help and assistance, view the <a href="https://docs.hestiacp.com/" target="_new">documentation</a> or visit our <a href="https://forum.hestiacp.com/" target="_new">user forum</a>.<br><br>Please report any bugs or issues via <a href="https://github.com/hestiacp/hestiacp/issues" target="_new"><i class="fab fa-github"></i> GitHub</a>.<br><br><b>Have a wonderful day!</b><br><br><i class="fas fa-heart status-icon red"></i> The Hestia Control Panel development team'