Improve ask_pn()

workflow/qhtcp-workflow

@@ -241,7 +241,7 @@ ask_pn() {
   for ((i=1; i<=trys; i++)); do 
     read -r -p "Enter a new or existing project name ($example_pn): " PROJECT
     if [[ -z $PROJECT ]]; then
-      PROJECT="$example_pn"
+      PROJECT="$example_pn" && break
     else
       sanitize_pn "$PROJECT" && break
       err "Invalid project name: $PROJECT"