Pass Position into function calls.

src/engine_api.rs

@@ -1611,7 +1611,17 @@ impl Engine {
             crate::fn_call::ensure_no_data_race(name, args, false)?;
         }
 
-        self.call_script_fn(scope, &mut mods, &mut state, lib, this_ptr, fn_def, args, 0)
+        self.call_script_fn(
+            scope,
+            &mut mods,
+            &mut state,
+            lib,
+            this_ptr,
+            fn_def,
+            args,
+            Position::NONE,
+            0,
+        )
     }
     /// Optimize the [`AST`] with constants defined in an external Scope.
     /// An optimized copy of the [`AST`] is returned while the original [`AST`] is consumed.