Fixes #5381: Correct auto-escaping of method arguments to prevent breakage when double quoted values are used in ncf builder

Co-Authored-By: Jonathan CLARKE <jonathan.clarke@normation.com>
Merge pull request #95 from Kegeruneku/bug_5381/int/5381_correct_variable_escaping_in_ncf

Fixes #5381: Correct auto-escaping of method arguments to prevent breaka...