fix: Include enableProxmoxContainers in monitor update payload

The useUpdateMonitor hook was missing enableProxmoxContainers from the
hardware-specific fields sent to the API, causing the setting to not
persist when editing a monitor.

client/src/Hooks/monitorHooks.js

@@ -386,6 +386,7 @@ export const useUpdateMonitor = () => {
 					thresholds: monitor.thresholds,
 					secret: monitor.secret,
 					selectedDisks: monitor.selectedDisks,
+					enableProxmoxContainers: monitor.enableProxmoxContainers,
 				}),
 			};
 			await networkService.updateMonitor({