[FIX] website_event: categories display

Indeed the type field has been renamed to event_type_id. However some code
was still relying on the type and type_count names, instead of event_type_id
and event_type_id_count.

addons/website_event/controllers/main.py

@@ -101,8 +101,8 @@ class website_event(http.Controller):
         type_count = event_obj.search(request.cr, request.uid, domain,
                                       count=True, context=request.context)
         types.insert(0, {
-            'type_count': type_count,
-            'type': ("all", _("All Categories"))
+            'event_type_id_count': type_count,
+            'event_type_id': ("all", _("All Categories"))
         })
 
         domain = dom_without('country')

addons/website_event/views/website_event.xml

@@ -165,10 +165,10 @@
     <xpath expr="//div[@id='left_column']" position="inside">
         <ul class="nav nav-pills nav-stacked mt32">
             <t t-foreach="types" t-as="type">
-                <li t-if="type['type']"
-                    t-att-class="searches.get('type') == str(type['type'] and type['type'][0]) and 'active' or ''">
-                    <a t-attf-href="/event?{{ keep_query('country', 'date', type=type['type'][0]) }}"><t t-esc="type['type'][1]"/>
-                        <span class="badge pull-right"><t t-esc="type['type_count']"/></span>
+                <li t-if="type['event_type_id']"
+                    t-att-class="searches.get('type') == str(type['event_type_id'] and type['event_type_id'][0]) and 'active' or ''">
+                    <a t-attf-href="/event?{{ keep_query('country', 'date', type=type['event_type_id'][0]) }}"><t t-esc="type['event_type_id'][1]"/>
+                        <span class="badge pull-right"><t t-esc="type['event_type_id_count']"/></span>
                     </a>
                 </li>
             </t>