fix: resolve Make generate_admin_password_or_ssh_key default to false or disable when password/key provided #152 (#166)

merge for testing

Author: Sayam1007

variables.tf

@@ -755,11 +755,17 @@ GALLERY_APPLICATIONS
 }
 
 variable "generate_admin_password_or_ssh_key" {
-  type        = bool
-  default     = true
+  type    = bool
+  default = false
   description = "Set this value to true if the deployment should create a strong password for the admin user. If `os_type` is Linux, this will generate and store an SSH key as the default. However, setting `disable_password_authentication` to `false` will generate and store a password value instead of an ssh key."
+
+  validation {
+    condition = !(var.generate_admin_password_or_ssh_key == true && var.admin_password != null)
+    error_message = "If 'admin_password' is provided, 'generate_admin_password_or_ssh_key' must be set to false."
+  }
 }
 
+
 variable "generated_secrets_key_vault_secret_config" {
   type = object({
     key_vault_resource_id          = string