Add apply_manual to migration

Author: rowanseymour

temba/msgs/migrations/0286_update_quick_replies.py

@@ -20,10 +20,15 @@ def update_quick_replies(apps, schema_editor):
             broadcast.save(update_fields=("translations",))
             num_updated += 1
 
-        if num_updated % 1000 == 0:  # pragma: no cover
             print(f"Updated {num_updated} broadcasts with quick replies")
 
 
+def apply_manual():  # pragma: no cover
+    from django.apps import apps
+
+    update_quick_replies(apps, None)
+
+
 class Migration(migrations.Migration):
 
     dependencies = [