Unify workspace dropdowns; Update layouts (#458)

Unified Account and Workspace drop-downs; Layout updates, now header lives within the PageBody component; Sidebars now use floating variant

apps/web/app/(marketing)/_components/site-page-header.tsx

@@ -1,47 +0,0 @@
-import { cn } from '@kit/ui/utils';
-
-export function SitePageHeader({
-  title,
-  subtitle,
-  container = true,
-  className = '',
-}: {
-  title: string;
-  subtitle: string;
-  container?: boolean;
-  className?: string;
-}) {
-  const containerClass = container ? 'container' : '';
-
-  return (
-    <div
-      className={cn(
-        'border-border/40 border-b py-6 xl:py-8 2xl:py-10',
-        className,
-      )}
-    >
-      <div
-        className={cn(
-          'flex flex-col items-center gap-y-2 lg:gap-y-3',
-          containerClass,
-        )}
-      >
-        <h1
-          className={
-            'font-heading text-3xl tracking-tighter xl:text-5xl dark:text-white'
-          }
-        >
-          {title}
-        </h1>
-
-        <h2
-          className={
-            'text-muted-foreground text-lg tracking-tight 2xl:text-2xl'
-          }
-        >
-          {subtitle}
-        </h2>
-      </div>
-    </div>
-  );
-}