fix config merging

lib/tasks/cognigy/speech-config.js

@@ -20,7 +20,7 @@ class SpeechConfig extends Emitter {
     const merged = lodash.merge(
         {},
         this.sessionConfig,
-        session
+        changedConfig
       );
       merged.bargein.enable = changedConfig.bargein?.enable?.length === 0 ? [] : changedConfig.bargein?.enable;