Enable at horizon

Author: Imran92

Diff for: config/horizon.json

@@ -15,7 +15,7 @@
 		"a4a-dev-sites": true,
 		"automated-migration/application-password": true,
 		"calypso/ai-blogging-prompts": false,
-		"calypso/all-domain-management": false,
+		"calypso/all-domain-management": true,
 		"calypso/big-sky": true,
 		"cancellation-offers": true,
 		"catch-js-errors": true,