More breathing room between macOS traffic lights and the tabs (pl-20 -> pl-24)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

ui/src/app/tab-bar/tab-bar.ts

@@ -22,7 +22,7 @@ const CONCURRENCY_CHOICES = [2, 3, 4, 6, 8] as const;
     <div
       class="relative flex items-center gap-0.5 border-b border-border pr-1.5 electrobun-webkit-app-region-drag"
       [class.h-10]="isMacChrome"
-      [class.pl-20]="isMacChrome"
+      [class.pl-24]="isMacChrome"
       [class.pl-1.5]="!isMacChrome"
       [class.pt-1]="!isMacChrome"
     >