delete the clones

dynamodb/filter.odin

@@ -51,6 +51,10 @@ parse_projection_expression :: proc(
 
 		resolved, res_ok := resolve_attribute_name(trimmed, attribute_names)
 		if !res_ok {
+			// Cleanup previously cloned strings
+			for path in result {
+				delete(path)
+			}
 			delete(result)
 			return nil, false
 		}