fix(dogfood): fix startup script on workspace creation (#11958)

dogfood/main.tf

@@ -266,8 +266,12 @@ resource "coder_agent" "dev" {
     sudo service docker start
     # Install playwright dependencies
     # We want to use the playwright version from site/package.json
+    # Check if the directory exists At workspace creation as the coder_script runs in parallel so clone might not exist yet.
+    while ! [[ -f "${local.repo_dir}/site/package.json" ]]; do
+      sleep 1
+    done
     cd "${local.repo_dir}/site" && pnpm install && pnpm playwright:install
-EOT
+  EOT
 }
 
 resource "docker_volume" "home_volume" {