Fixes an issue that was causing 100% cpu usage in 1.78.0 (#2371)

Task/Issue URL:
https://app.asana.com/0/1177771139624306/1206806923660057/f

## Description

Fixes an issue that was causing CPU usage to reach 100%.

LocalPackages/NetworkProtectionMac/Sources/NetworkProtectionIPC/TunnelControllerIPCClient.swift

@@ -77,10 +77,14 @@ public final class TunnelControllerIPCClient {
         xpc.onDisconnect = { [weak self] in
             guard let self else { return }
 
-            // By calling register we make sure that XPC will connect as soon as it
-            // becomes available again, as requests are queued.  This helps ensure
-            // that the client app will always be connected to XPC.
-            self.register()
+            Task { @MainActor in
+                try await Task.sleep(interval: .seconds(1))
+
+                // By calling register we make sure that XPC will connect as soon as it
+                // becomes available again, as requests are queued.  This helps ensure
+                // that the client app will always be connected to XPC.
+                self.register()
+            }
         }
     }
 }