Add Created By column to dashboard and remove back button from ticket view

models/TicketModel.php

@@ -113,8 +113,15 @@ class TicketModel {
         $totalResult = $countStmt->get_result();
         $totalTickets = $totalResult->fetch_assoc()['total'];
         
-        // Get tickets with pagination
-        $sql = "SELECT * FROM tickets $whereClause ORDER BY $sortColumn $sortDirection LIMIT ? OFFSET ?";
+        // Get tickets with pagination and creator info
+        $sql = "SELECT t.*,
+                u.username as creator_username,
+                u.display_name as creator_display_name
+                FROM tickets t
+                LEFT JOIN users u ON t.created_by = u.user_id
+                $whereClause
+                ORDER BY $sortColumn $sortDirection
+                LIMIT ? OFFSET ?";
         $stmt = $this->conn->prepare($sql);
         
         // Add limit and offset parameters