Add peer tracking toggle to WireGuard dashboard

Introduces a 'peer_tracking' configuration option for WireGuard in DashboardConfig and updates the dashboard background thread to respect this setting. The Vue component now includes a UI toggle for peer tracking, updates the server configuration via API, and conditionally loads tracking data based on the toggle state.

src/modules/DashboardConfig.py

@@ -85,7 +85,8 @@ class DashboardConfig:
                 "enable": "true",
             },
             "WireGuardConfiguration": {
-                "autostart": ""
+                "autostart": "",
+                "peer_tracking": "false"
             }
         }