[FIX] bus: bus_check_disconnect_cron xml_id

Copy-paste error...

addons/bus/bus_presence_cron.xml

 <?xml version="1.0" encoding='UTF-8'?>
 <odoo>
-	<record model="ir.cron" id="account_asset_cron">
+    <record model="ir.cron" id="bus_check_disconnect_cron">
         <field name="name">Check User Disconnections</field>
         <field name="interval_number">5</field>
         <field name="interval_type">minutes</field>