macOS: Start refreshing runtime info in viewWillAppear(), not init()

Because when the window is closed and reopened, we should start
refreshing runtime info again.

Signed-off-by: Roopesh Chander <roop@roopc.net>

WireGuard/WireGuard/UI/macOS/ViewController/TunnelDetailTableViewController.swift

@@ -101,7 +101,6 @@ class TunnelDetailTableViewController: NSViewController {
         super.init(nibName: nil, bundle: nil)
         updateTableViewModelRowsBySection()
         updateTableViewModelRows()
-        updateStatus()
         statusObservationToken = tunnel.observe(\TunnelContainer.status) { [weak self] _, _ in
             self?.updateStatus()
         }
@@ -227,6 +226,12 @@ class TunnelDetailTableViewController: NSViewController {
         }
     }
 
+    override func viewWillAppear() {
+        if tunnel.status == .active {
+            startUpdatingRuntimeConfiguration()
+        }
+    }
+
     override func viewWillDisappear() {
         super.viewWillDisappear()
         if let tunnelEditVC = tunnelEditVC {