fix: add try catch for builder creation

.ado/deploy_enterprise.yaml

@@ -499,14 +499,17 @@ jobs:
             set -eu
             az extension add --name spring -y
             az spring list -o table
-            EXISTS=$(az spring build-service builder show --name build-springappslza --resource-group $(spring_apps_rg)  --service $(spring_apps_service_name) --query 'name' -o tsv 2>&1)
-            if [ $EXISTS != 'build-springappslza' ]; then
+            try{
+                az spring build-service builder show --name build-springappslza --resource-group $(spring_apps_rg)  --service $(spring_apps_service_name) --query 'name' -o tsv
+                echo "Builder exists. Continuing with microservices deployment."
+            }
+            catch{
               az spring build-service builder create \
                         --resource-group $(spring_apps_rg) \
                         --name build-springappslza \
                         --service $(spring_apps_service_name) \
                         --builder-file azure-spring-apps-enterprise/resources/json/tbs/builder.json
-            fi 
+            } 
           addSpnToEnvironment: true 
       - task: AzureCLI@2
         displayName: Deploy acme-payment