fix module defaults (#56020)

* fix module defaults

 - corrected precedence (specific module > group)
 - made into reusable function
 - use from gather_facts/service/package to match 'actual module used'

lib/ansible/plugins/action/gather_facts.py

@@ -8,6 +8,7 @@ import os
 import time
 
 from ansible import constants as C
+from ansible.executor.module_common import get_action_args_with_defaults
 from ansible.plugins.action import ActionBase
 from ansible.utils.vars import combine_vars
 
@@ -39,6 +40,9 @@ class ActionModule(ActionBase):
         # This ensures we don't pass a ``None`` value as an argument expecting a specific type
         mod_args = dict((k, v) for k, v in mod_args.items() if v is not None)
 
+        # handle module defaults
+        mod_args = get_action_args_with_defaults(fact_module, mod_args, self._task.module_defaults, self._templar)
+
         return mod_args
 
     def run(self, tmp=None, task_vars=None):