update changelog

Author: macjuul

src/assets/changelogs/3.7.4.md

@@ -3,5 +3,7 @@ title: Surrealist 3.7.4
 date: 2026/03/18
 ---
 
+- The Sandbox now runs in a background worker for improved performance
 - Improved namespace and database management
-- Fixed user and access method duration inputs
+- Fixed user and access method duration inputs
+- Fixed spaces not always being inserted in editors