Return dict str_node when doing transform (#2996)

src/cfnlint/template/transforms/_language_extensions.py

@@ -14,6 +14,7 @@
 import regex as re
 
 from cfnlint.conditions._utils import get_hash
+from cfnlint.decode.node import str_node
 from cfnlint.helpers import FUNCTION_FOR_EACH
 from cfnlint.template.transforms._types import TransformResult
 
@@ -197,10 +198,15 @@ def _replace_string_params(
         pattern = r"\${[a-zA-Z0-9\.:]+}"
         if not re.search(pattern, s):
             return (True, s)
+
+        new_s = deepcopy(s)
         for k, v in params.items():
-            s = re.sub(rf"\$\{{{k}\}}", v, s)
+            new_s = re.sub(rf"\$\{{{k}\}}", v, new_s)
+
+        if isinstance(s, str_node):
+            new_s = str_node(new_s, s.start_mark, s.end_mark)
 
-        return (not (bool(re.search(pattern, s))), s)
+        return (not (bool(re.search(pattern, new_s))), new_s)
 
 
 class _ForEachValue: