fix(clerk-js): Do not bubble up CaptchaHeartbeat errors (#5032)

Author: jacekradko

.changeset/stale-badgers-scream.md

@@ -0,0 +1,5 @@
+---
+'@clerk/clerk-js': patch
+---
+
+Do not throw error on `captchaHeartbeat` if `displayConfig` is `null`.

packages/clerk-js/src/core/auth/CaptchaHeartbeat.ts

@@ -35,14 +35,14 @@ export class CaptchaHeartbeat {
   }
 
   private isEnabled() {
-    return !!this.clerk.__unstable__environment?.displayConfig.captchaHeartbeat;
+    return !!this.clerk.__unstable__environment?.displayConfig?.captchaHeartbeat;
   }
 
   private clientBypass() {
     return this.clerk.client?.captchaBypass;
   }
 
   private intervalInMs() {
-    return this.clerk.__unstable__environment?.displayConfig.captchaHeartbeatIntervalMs ?? 10 * 60 * 1000;
+    return this.clerk.__unstable__environment?.displayConfig?.captchaHeartbeatIntervalMs ?? 10 * 60 * 1000;
   }
 }