Filter detected sellers from conversations

apps/dashboard/src/features/conversations/conversation-route.tsx

@@ -8,6 +8,7 @@ export function ConversationRoute() {
   const filterValue = searchParams.get('filter');
   const filters: ConversationFilters = {
     search: searchParams.get('q') ?? '',
+    showSellers: searchParams.get('showSellers') === 'true',
     filter:
       filterValue === 'unread'
       || filterValue === 'awaiting-reply'
@@ -29,6 +30,7 @@ export function ConversationRoute() {
     const params = new URLSearchParams(searchParams);
     if (next.search) params.set('q', next.search); else params.delete('q');
     if (next.filter !== 'all') params.set('filter', next.filter); else params.delete('filter');
+    if (next.showSellers) params.set('showSellers', 'true'); else params.delete('showSellers');
     setSearchParams(params, { replace: true });
   }