Fixes an issue that's causing the Allow VPN to show up twice when dis… (

#2728)

Task/Issue URL: https://app.asana.com/0/1199230911884351/1207210448609392/f

Description

We no longer ask twice to allow the VPN configuration if the user decides to not allow it.

DuckDuckGo/NetworkProtection/AppTargets/BothAppTargets/NetworkProtectionTunnelController.swift

@@ -572,7 +572,9 @@ final class NetworkProtectionTunnelController: TunnelController, TunnelSessionPr
                 )
             }
 
-            await stop()
+            if await isConnected {
+                await stop()
+            }
 
             // Always keep the first error message shown, as it's the more actionable one.
             if controllerErrorStore.lastErrorMessage == nil {