update fetch_and_deploy function

misc/tools.func

@@ -650,7 +650,8 @@ install_mongodb() {
 
 fetch_and_deploy_gh_release() {
   local repo="$1"
-  local app=${APP:-$(echo "${APPLICATION,,}" | tr -d ' ')}
+  local raw_app="${APP:-$APPLICATION}"
+  local app=$(echo "${raw_app,,}" | tr -d ' ')
   local api_url="https://api.github.com/repos/$repo/releases/latest"
   local header=()
   local attempt=0