fix(org): stop a not-found page marking General as current, and space its actions

Author: waleedlatif1

apps/sim/platform/embedded/app/(shell)/_components/route-status/route-status.module.css

@@ -22,5 +22,5 @@
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
-  gap: var(--ui-action-gap);
+  gap: var(--spacing-8);
 }

apps/sim/platform/embedded/lib/data/settings-navigation.ts

@@ -131,7 +131,8 @@ export function useSettingsNavigation() {
 
   return {
     groups,
-    activeSection: resolveOrganizationSurfaceSection(pathname ?? '')?.section ?? 'general',
+    /** Empty on a path that names no section, such as not-found, so no row reads as current. */
+    activeSection: resolveOrganizationSurfaceSection(pathname ?? '')?.section ?? '',
     isAdmin,
     hosted: settingsFeatures.hosted,
     /** Where Back to app lands when no return URL was remembered on the way in. */