Read directory_mode as 'raw' type

Reads the directory_mode param as 'raw' type to mirror the same behavior as mode.
This'll cause non-quoted values to be represented as an int, rather than a str.

Covered by 'assert recursive copied directories mode' test.

Fixes #24202

lib/ansible/modules/files/copy.py

@@ -262,7 +262,7 @@ def main():
             backup            = dict(default=False, type='bool'),
             force             = dict(default=True, aliases=['thirsty'], type='bool'),
             validate          = dict(required=False, type='str'),
-            directory_mode    = dict(required=False),
+            directory_mode    = dict(required=False, type='raw'),
             remote_src        = dict(required=False, type='bool'),
         ),
         add_file_common_args=True,