feat(ticket): add global ticket assignment page

src/app/(modules)/ticket/[ticketId]/page.tsx

@@ -61,7 +61,10 @@ export default function TicketDetailPage() {
     <main className="relative z-10 space-y-5 xl:flex xl:h-[calc(100vh-6.5rem)] xl:min-h-0 xl:flex-col xl:gap-5 xl:space-y-0 xl:overflow-hidden">
       <div className="xl:shrink-0">
         {overview ? (
-          <TicketDetailHeader ticket={overview} />
+          <TicketDetailHeader
+            ticket={overview}
+            canAssign={classDetail?.status === 'unassigned'}
+          />
         ) : (
           <TicketOverviewHeaderSkeleton />
         )}