{Auth} Enable PII log for WAM (#28954)

Author: jiasli

src/azure-cli-core/azure/cli/core/auth/identity.py

@@ -112,7 +112,9 @@ def _msal_app_kwargs(self):
     def _msal_public_app_kwargs(self):
         """kwargs for creating PublicClientApplication."""
         # enable_broker_on_windows can only be used on PublicClientApplication.
-        return {**self._msal_app_kwargs, "enable_broker_on_windows": self._enable_broker_on_windows}
+        return {**self._msal_app_kwargs,
+                "enable_broker_on_windows": self._enable_broker_on_windows,
+                "enable_pii_log": True}
 
     @property
     def _msal_app(self):