fix: limit the number of tickets retrieved to 10 in tickets method

app/Services/FranchisorDashboardService.php

@@ -192,6 +192,7 @@ private function tickets(array $unitIds): array
     {
         return $this->openTicketsQuery($unitIds)
             ->orderByDesc('created_at')
+            ->limit(10)
             ->get(['id', 'severity', 'created_at', 'sector', 'status', 'title'])
             ->map(fn ($ticket) => [
                 'id'       => (int) $ticket->id,