fix: escape awk field references for Terraform template processing

The awk-based YAML parsing improvement needed proper escaping of  field
references as 2936092 so Terraform's templatefile() function processes them
correctly. This resolves template syntax errors that were causing the
DateTime.pm installation failures.

Author: DevelopmentCats

registry/coder/modules/kasmvnc/run.sh

@@ -233,15 +233,15 @@ get_http_dir() {
 
   # Check the system configuration path
   if [[ -e /etc/kasmvnc/kasmvnc.yaml ]]; then
-    d=$(grep -E '^\s*httpd_directory:.*$' "/etc/kasmvnc/kasmvnc.yaml" | awk '{print $2}')
+    d=$(grep -E '^\s*httpd_directory:.*$' "/etc/kasmvnc/kasmvnc.yaml" | awk '{print $$2}')
     if [[ -n "$d" && -d "$d" ]]; then
       httpd_directory=$d
     fi
   fi
 
   # Check the home directory for overriding values
   if [[ -e "$HOME/.vnc/kasmvnc.yaml" ]]; then
-    d=$(grep -E '^\s*httpd_directory:.*$' "$HOME/.vnc/kasmvnc.yaml" | awk '{print $2}')
+    d=$(grep -E '^\s*httpd_directory:.*$' "$HOME/.vnc/kasmvnc.yaml" | awk '{print $$2}')
     if [[ -n "$d" && -d "$d" ]]; then
       httpd_directory=$d
     fi