OZG-6054 helm: Quote string after joining

xta-adapter/src/main/helm/templates/xta_adapter_cronjob.yaml

@@ -64,7 +64,7 @@ spec:
                 - name: ozgcloud_xta_server_protocol
                   value: {{ (.Values.xta).server.protocol }}
                 - name: ozgcloud_xta_identifiers
-                  value: {{ (.Values.xta).identifiers | join "," }}
+                  value: {{ (.Values.xta).identifiers | join "," | quote }}
                 - name: ozgcloud_xta_keystore_file
                   value: "keystore/xta-keystore.p12"
                 - name: ozgcloud_xta_keystore_password