Regression: Routing method not available when called from listeners at startup (#23568)

server/modules/listeners/listeners.module.ts

@@ -152,7 +152,7 @@ export class ListenersModule {
 
 		service.onEvent('watch.inquiries', async ({ clientAction, inquiry, diff }): Promise<void> => {
 			const config = await getRoutingManagerConfig();
-			if (config.autoAssignAgent) {
+			if (!config || config.autoAssignAgent) {
 				return;
 			}
 

server/services/meteor/service.ts

@@ -282,6 +282,9 @@ export class MeteorService extends ServiceClass implements IMeteor {
 	}
 
 	getRoutingManagerConfig(): IRoutingManagerConfig {
-		return RoutingManager.getConfig();
+		// return false if called before routing method is set
+		// this will cause that oplog events received on early stages of server startup
+		// won't be fired (at least, inquiry events)
+		return RoutingManager.isMethodSet() && RoutingManager.getConfig();
 	}
 }