Only check for deferred values at top level as is the case for this

Author: traylenator

manifests/instance.pp

@@ -608,7 +608,7 @@
 
   # TODO: Rely on https://github.com/puppetlabs/puppetlabs-stdlib/pull/1425
   # once available.
-  if $_template_params.stdlib::nested_values.any |$value| { $value.is_a(Deferred) } {
+  if $_template_params.any |$value| { $value.is_a(Deferred) } {
     $_template_params_escaped = $_template_params.map | $_var , $_value | {
       if $_value.is_a(Deferred) {
         { $_var => "<%= \$${_var} %>" }