feat(frontend): Update profile dropdown disable logic in dashboard

Modified the disable logic on the profile dropdown in the dashboard
section. Now it only considers the number of profiles available in
the profileSet for disabling the dropdown. Removed unnecessary
comments regarding profile name truncation and error handling.

Refs: #1

src/sections/dashboard/components/header/profile-nav.tsx

@@ -14,10 +14,6 @@ import { ChevronDown, ChevronUp } from 'lucide-react';
 import { useProfileContext } from '@/sections/dashboard/context/profile-context';
 import { z } from 'zod';
 
-// TODO:
-//  - Truncate profile names longer than 4 characters
-//  - Handle errors
-
 interface ProfileNavItemProps {
   profileName: string;
   accessKeyId: string;
@@ -110,7 +106,7 @@ export function ProfileNav() {
             aria-expanded={open}
             aria-haspopup='true'
             className='flex items-center justify-start gap-2 p-2'
-            // disabled={profileSet!.profiles.size < 2}
+            disabled={profileSet && Object.keys(profileSet.profiles).length < 2}
           >
             <Avatar className='h-9 w-9'>
               <AvatarFallback>{currentProfile}</AvatarFallback>