Category selection: Search internal names (Z#23218630)

src/pretix/control/views/typeahead.py

@@ -569,7 +569,7 @@ def category_select2(request, **kwargs):
         page = 1
 
     qs = request.event.categories.filter(
-        name__icontains=i18ncomp(query)
+        Q(name__icontains=i18ncomp(query)) | Q(internal_name__icontains=query)
     ).order_by('name')
 
     total = qs.count()

src/pretix/static/pretixpresale/scss/widget.scss

@@ -848,9 +848,6 @@ $table-bg-accent: rgba(128, 128, 128, 0.05);
     outline: 2px solid $brand-primary;
     outline-offset: 2px;
   }
-  &:not([open]) {
-    display: none;
-  }
 }
 .pretix-widget-frame-isloading:focus {
   outline: none;