fix external domain name in template in DeployWCSCloud_Base

Author: kongyi-ibm

utilities/DeployController/setup/jobs/DeployWCSCloud_Base.xml

@@ -104,7 +104,7 @@ Common:
         Enable: false
         LoadBalanceAddress:
   VaultURL: ${vault_url}/v1
-  ExternalDomian: ibm.com
+  ExternalDomian: .ibm.com
   CommerceVersion:
   OverridePreconfig: 
   ## IngressSecrete used to specify if need Helm to auto generate the secret for ingress. For production env, customer can choose generate the secret with real CA certification
@@ -435,4 +435,4 @@ podTemplate(label: label,  containers: [
   </definition>
   <triggers/>
   <disabled>false</disabled>
-</flow-definition>
+</flow-definition>