Check restricted/foreground for non VPN only

app/src/main/java/eu/faircode/email/ConnectionHelper.java

@@ -311,7 +311,6 @@ public class ConnectionHelper {
                 Log.i("isMetered: not validated captive=" + captive);
                 return null;
             }
-        }
 
             if (!caps.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED)) {
                 Log.i("isMetered: active restricted");
@@ -323,6 +322,7 @@ public class ConnectionHelper {
                 Log.i("isMetered: active background");
                 return null;
             }
+        }
 
         if (vpn_only) {
             boolean vpn = vpnActive(context);