CCM-11007: Lambda log destination fix

Author: sidnhs

infrastructure/terraform/components/app/locals.tf

@@ -2,4 +2,5 @@ locals {
   cloudfront_files_domain_name = "files.${local.root_domain_name}"
   root_domain_name             = "${var.environment}.${local.acct.dns_zone["name"]}"
   lambdas_source_code_dir      = "../../../../lambdas"
+  log_destination_arn          = var.group == "nhs-notify-template-management-prod" ? "arn:aws:logs:${var.region}:${var.observability_account_id}:destination:nhs-notify-main-acct-firehose-logs" : "arn:aws:logs:${var.region}:${var.observability_account_id}:destination:nhs-main-obs-firehose-logs" #Please remove this after we do dev/nonprod cutover for this BC
 }

infrastructure/terraform/components/app/module_backend_api.tf

@@ -23,7 +23,7 @@ module "backend_api" {
 
   enable_proofing           = var.enable_proofing
   letter_suppliers          = var.letter_suppliers
-  log_destination_arn       = "arn:aws:logs:${var.region}:${var.observability_account_id}:destination:nhs-notify-main-acct-firehose-logs"
+  log_destination_arn       = local.log_destination_arn
   log_subscription_role_arn = local.acct.log_subscription_role_arn
 
   send_to_firehose = true