Handle sets differently than lists in wrap_var. Fixes #47372 (#47510)

lib/ansible/utils/unsafe_proxy.py

@@ -95,11 +95,17 @@ def _wrap_list(v):
     return v
 
 
+def _wrap_set(v):
+    return set(item if item is None else wrap_var(item) for item in v)
+
+
 def wrap_var(v):
     if isinstance(v, Mapping):
         v = _wrap_dict(v)
-    elif isinstance(v, (MutableSequence, Set)):
+    elif isinstance(v, MutableSequence):
         v = _wrap_list(v)
+    elif isinstance(v, Set):
+        v = _wrap_set(v)
     elif v is not None and not isinstance(v, AnsibleUnsafe):
         v = UnsafeProxy(v)
     return v