Fix: qualify entity_sql_s with qualify_bare=True for step N

Author: nicosuave

sidemantic/sql/generator.py

@@ -2851,7 +2851,7 @@ def _normalize_expr_for_subquery(sql_expr: str, table_alias: str, qualify_bare:
         # Normalize for step 1 context (alias "t" for SQL models, bare for table models)
         entity_sql = _normalize_expr_for_subquery(entity_sql_raw, "t" if model.sql else "")
         # Normalize for step N context (always alias "s")
-        entity_sql_s = _normalize_expr_for_subquery(entity_sql_raw, "s")
+        entity_sql_s = _normalize_expr_for_subquery(entity_sql_raw, "s", qualify_bare=True)
 
         # Normalize filters: strip model name prefixes so they work inside CTEs
         normalized_filters = self._strip_model_prefixes(filters or [], model.name)