Merged in [16103] from rjsparks@nostrum.com:

    Modified the admin model for SlideSubmission to use a couple of raw_id_field widgets.
 - Legacy-Id: 16119
Note: SVN reference [16103] has been migrated to Git commit 0b3cf0a

Author: levkowetz

ietf/meeting/admin.py

@@ -134,4 +134,6 @@ class ImportantDateAdmin(admin.ModelAdmin):
 class SlideSubmissionAdmin(admin.ModelAdmin):
     model = SlideSubmission
     list_display = ['session', 'submitter', 'title']
+    raw_id_fields = ['submitter', 'session']
+
 admin.site.register(SlideSubmission, SlideSubmissionAdmin)