feat: improve the admin for the nomcom volunteer model (ietf-tools#4223)

* feat: improve the admin for the nomcom volunteer model

* fix: restore raw-id for person on nomcom volunteer admin.

Author: rjsparks

ietf/nomcom/admin.py

@@ -70,8 +70,9 @@ class TopicFeedbackLastSeenAdmin(admin.ModelAdmin):
 admin.site.register(TopicFeedbackLastSeen, TopicFeedbackLastSeenAdmin)
 
 class VolunteerAdmin(admin.ModelAdmin):
-    list_display = ['nomcom','person','affiliation']
+    list_display = ['id', 'nomcom','person','affiliation']
     list_filter = ['nomcom']
+    search_fields = ['person__name', 'nomcom__group__acronym', 'affiliation']
     raw_id_fields = ['person']
 admin.site.register(Volunteer, VolunteerAdmin)