fix: fix output

outputs.tf

@@ -1,29 +1,29 @@
 output "id" {
-  value = azurerm_static_site.this.id
+  value       = azurerm_static_site.this.id
   description = "The ID of the Static Site."
 }
 
 output "api_key" {
-  value = azurerm_static_site.this.api_key
+  value       = azurerm_static_site.this.api_key
   description = "The API Key of the Static Site."
 }
 
 output "default_host_name" {
-  value = azurerm_static_site.this.default_host_name
+  value       = azurerm_static_site.this.default_host_name
   description = "The Default Host Name of the Static Site."
 }
 
 output "identity" {
-  value = azurerm_static_site.this.identity[*]
+  value       = azurerm_static_site.this.identity[*]
   description = "The Managed Identity of the Static Site."
 }
 
 output "custom_domain_id" {
-  value = azurerm_static_site_custom_domain.this[*].id
+  value       = azurerm_static_site_custom_domain.this[*].id
   description = "The ID of the Custom Domain."
 }
 
 output "validation_token" {
-  value = azurerm_static_site_custom_domain.this[*].validation_token
+  value       = var.validation_type == "dns-txt-token" ? azurerm_static_site_custom_domain.this[*].validation_token : null
   description = "The Validation Token of the Custom Domain."
 }