Updated Display.do_var_prompt to use to_native on prompt ( Fixes #30265 ) (#30285)

* Updated Display.prompt to use the normalized prompt message.

lib/ansible/utils/display.py

@@ -279,7 +279,7 @@ class Display:
             prompt_string = to_text(prompt_string)
 
         if private:
-            return getpass.getpass(msg)
+            return getpass.getpass(prompt_string)
         else:
             return input(prompt_string)