fix: update database sync warning to clarify behavior in code mode

Revised the warning message for database sync requests to indicate that sync requests are ignored in code mode, as system tables may not be fully represented in the provided configuration.

app/src/modules/ModuleManager.ts

@@ -331,8 +331,8 @@ export class ModuleManager {
             ctx.flags.sync_required = false;
             this.logger.log("db sync requested");
 
-            // sync db hint
-            $console.warn("a database sync is required");
+            // ignore sync request on code mode since system tables
+            // are probably never fully in provided config
          }
 
          if (ctx.flags.ctx_reload_required) {