[FIX] calendar: missing typo fix in o_event_highlight class

In PR odoo#81184, a typo was fixed,
however there was still one instance of the old typo that wasn't replaced.
This commit replaces it.

Related task-2704288

closes odoo#101085

X-original-commit: f3fb086
Signed-off-by: Arnaud Joset <arj@odoo.com>

addons/calendar/static/src/xml/base_calendar.xml

@@ -61,7 +61,7 @@
     </t>
 
     <t t-name="Calendar.calendar-box">
-        <div t-attf-class="#{record.is_highlighted ? 'o_event_hightlight' : ''} #{typeof color === 'number' ? _.str.sprintf('o_calendar_color_%s', color) : 'o_calendar_color_1'} fc-event o_event o_attendee_status_#{record.is_alone ? 'alone' : record.attendee_status} py-0" >
+        <div t-attf-class="#{record.is_highlighted ? 'o_event_highlight' : ''} #{typeof color === 'number' ? _.str.sprintf('o_calendar_color_%s', color) : 'o_calendar_color_1'} fc-event o_event o_attendee_status_#{record.is_alone ? 'alone' : record.attendee_status} py-0" >
             <div t-attf-class="#{record.attendee_status != 'accepted' ? 'fw-normal' : ''} o_event_title me-2">
                 <span t-if="record.is_alone" class="fa fa-exclamation-circle"/>
                 <t t-esc="record.display_name"/>