fix(catalog-backend-module-ldap): ignore search reference

Having search referrals in the response causes the processor to stop right now. Instead of throwing
an error they can simply be ignored and logged out.

Signed-off-by: Dominik Schwank <dominik.schwank@sda.se>

.changeset/quiet-seals-fix.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend-module-ldap': patch
+---
+
+Ignore search referrals instead of throwing an error.

plugins/catalog-backend-module-ldap/src/ldap/client.ts

@@ -95,7 +95,7 @@ export class LdapClient {
           }
 
           res.on('searchReference', () => {
-            reject(new Error('Unable to handle referral'));
+            this.logger.warn('Received unsupported search referral');
           });
 
           res.on('searchEntry', entry => {
@@ -154,7 +154,7 @@ export class LdapClient {
           }
 
           res.on('searchReference', () => {
-            reject(new Error('Unable to handle referral'));
+            this.logger.warn('Received unsupported search referral');
           });
 
           res.on('searchEntry', entry => {