Fix cert vars issue in stub

server/lib/certificates.ts

@@ -1,6 +1,6 @@
 export async function getValidCertificatesForDomains(
     domains: Set<string>,
-    useCache: boolean
+    useCache: boolean = true
 ): Promise<
     Array<{
         id: number;

server/lib/traefik/TraefikConfigManager.ts

@@ -416,7 +416,8 @@ export class TraefikConfigManager {
                         // Get valid certificates for domains not covered by wildcards
                         validCertificates =
                             await getValidCertificatesForDomains(
-                                domainsToFetch
+                                domainsToFetch,
+                                true
                             );
                         this.lastCertificateFetch = new Date();
                         this.lastKnownDomains = new Set(domains);