CCM-6250: add display name

Author: sidnhs

infrastructure/modules/amp_branch/amplify_branch.tf

@@ -2,7 +2,7 @@ resource "aws_amplify_branch" "main" {
   app_id                      = var.amplify_app_id
   description                 = var.description
   branch_name                 = var.branch
-  display_name                = var.name
+  display_name                = var.display_name
   enable_pull_request_preview = var.enable_pull_request_preview
   enable_auto_build           = var.enable_auto_build
   stage                       = var.stage

infrastructure/modules/amp_branch/variables.tf

@@ -75,6 +75,12 @@ variable "branch" {
   type        = string
 }
 
+variable "display_name" {
+  description = "The display name of the branch app being deployed"
+  type        = string
+  default = null
+}
+
 variable "enable_auto_build" {
   type        = bool
   description = "Enable the auto build of the branch code as well as just the resources for it"