[IMP] calendar: place smartbutton within oe_button_box

closes odoo/odoo#37987

Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

addons/calendar/views/calendar_views.xml

@@ -86,8 +86,10 @@
         <field name="arch" type="xml">
             <form string="Meetings">
                 <sheet>
+                    <div class="oe_button_box" name="button_box">
+                        <button string="Document" icon="fa-bars" type="object" name="action_open_calendar_event" attrs="{'invisible': ['|', ('res_model', '=', False), ('res_id', '=', False)]}"/>
+                    </div>
                     <widget name="web_ribbon" text="Archived" bg_color="bg-danger" attrs="{'invisible': [('active', '=', True)]}"/>
-                    <button string="Document" class="oe_stat_button float-right" icon="fa-bars" type="object" name="action_open_calendar_event" attrs="{'invisible': ['|', ('res_model', '=', False), ('res_id', '=', False)]}"/>
                     <field name="res_model" invisible="1" />
                     <field name="res_id" invisible="1" />
                     <field name="state" invisible="1"/>