fix(editor): apply CodeRabbit snapping fixes

- Preserve transformed Control bypass and native preference dispatch
- Clarify snapping settings and keep fractional positions visible
- Filter hidden targets and harden guide and resize handling
- Update native menu schema coverage

tests/engine/app/shell/menu/schema.test.ts

@@ -53,6 +53,9 @@ describe('APP_MENU_SCHEMA', () => {
       'theme-light',
       'theme-dark',
       'theme-auto',
+      'snap-geometry',
+      'snap-objects',
+      'snap-pixel-grid',
       'settings'
     ])
   })