fix(chat): ajustes de texto, layout e icone do menu

- Mudar texto 'Chat #' para 'Ticket #' no desktop
- Passar ticketRef via URL para exibir numero correto
- Ajustar tamanho da janela minimizada (240px)
- Incluir ticketRef no checkMachineUpdates (Convex)
- Ajustar padding dos botoes no chat web
- Mudar icone 'Todos os tickets' para ClipboardList

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

convex/liveChat.ts

@@ -524,11 +524,18 @@ export const checkMachineUpdates = query({
       }
     }
 
-    const sessionSummaries = sessions.map((s) => ({
-      ticketId: s.ticketId,
-      unreadCount: s.unreadByMachine ?? 0,
-      lastActivityAt: s.lastActivityAt,
-    }))
+    // Buscar tickets para obter o reference
+    const sessionSummaries = await Promise.all(
+      sessions.map(async (s) => {
+        const ticket = await ctx.db.get(s.ticketId)
+        return {
+          ticketId: s.ticketId,
+          ticketRef: ticket?.reference ?? 0,
+          unreadCount: s.unreadByMachine ?? 0,
+          lastActivityAt: s.lastActivityAt,
+        }
+      })
+    )
 
     const totalUnread = sessionSummaries.reduce((sum, s) => sum + s.unreadCount, 0)